The wording of these questions are confusing how would you set this up ?

The formula is m1v1=m2v2

The Wording Of These Questions Are Confusing How Would You Set This Up ? The Formula Is M1v1=m2v2

Answers

Answer 1

Answer:

8. 171074.8 mL

9. 3475 mL.

Explanation:

8. Determination of the volume of the diluted solution.

Initial Molarity (M₁) = 14 M

Initial volume (V₁) = 523 mL

Final Molarity (M₂) = 0.0428 M

Final volume (V₂) =?

Using the dilution formula, we can obtain the volume of the diluted solution as follow:

M₁V₁ = M₂V₂

14 × 523 = 0.0428 × V₂

7322 = 0.0428 × V₂

Divide both side by 0.0428

V₂ = 7322 / 0.0428

V₂ = 171074.8 mL

Therefore, the volume of the diluted solution is 171074.8 mL

9. Determination of the volume of water added.

We'll begin by calculating the final volume of the solution. This can be obtained as follow:

Initial Molarity (M₁) = 3.2 M

Initial volume (V₁) = 973 mL

Final Molarity (M₂) = 0.7 M

Final volume (V₂) =?

M₁V₁ = M₂V₂

3.2 × 973 = 0.7 × V₂

3113.6 = 0.7 × V₂

Divide both side by 0.7

V₂ = 3113.6 / 0.7

V₂ = 4448 mL

Thus, the final volume of the solution is 4448 mL

Finally, we shall determine the volume of water added. This can be obtained as follow:

Initial volume (V₁) = 973 mL

Final volume (V₂) = 4448 mL

Volume of water added =?

Volume of water added = V₂ – V₁

Volume of water added = 4448 – 973

Volume of water added = 3475 mL


Related Questions

Make up a short story to explain jays speed and acceleration change throughout his walk. Make sure to address parts A-D

Answers

Answer:

Speed of jays increases first, again increases, decreases and then increases.

Explanation:

The speed of jays increases while moving from rest to point A and no acceleration due to constant speed. From point A to point B, the speed is continues to increase and no acceleration. From point B to point C, the speed of jays decreases and acceleration is produced in the journey due to change of speed and from point C to point D, the speed of jays again increases and acceleration is produced due to increasing the speed.

Answer:

The speed of jay's walk increases first, again increases, then it decreases and then increases due to his acceleration walk during parts A-D.

Explanation:

Which element has the highest electronegativity?

Answers

Answer:

fluorine

Explanation:

Answer:

The element with the highest electronegativity is fluorine with a score of 4.0 (which is the highest possible)

Explanation:

I personally haven't gotten this question yet so I hope this helps you!

2.5 liters of gas is stored at a pressure of 100 atm, if the volume were increased to 4 liters, what would be the new pressure?

a. 250 atm
b. 1000 atm
c. 62.5 atm
d. 160 atm

Answers

Answer:

62. 5

Explanation:

Use P1V1=P2V2

100 × 2.5 =250 /4=62.5

what is the physical change of a liquid to a solid by the removal of heat?

Answers

The addition or removal of heat can cause phase transition like freezing water to ice or melting ice to water or the operation water to vapor condensation vapor to water simulation ice to vapor and the depsition vapor to ice

A science teacher places a sealed microwave bag of popcorn on a balance and measures its mass.

She microwaves the popcorn and finds the mass again before opening the bag. The masses are nearly the same.

Which scientific law does this BEST demonstrate?
Law of Conservation of Energy

Law of Thermodynamics

Law of Conservation of Volume

Law of Conservation of Matter

Answers

Answer:

D.) The Law of conservation of Matter

Explanation: The popcorn goes into the microwave and since matter cannot be created or destroyed the mass stays the same.

Answer:

aki you there how are you

Explanation:

If energy was added to solid, what state would it change to

A. Super solid
B. Plasma
C. Liquid

Answers

Answer:

Explanation:

The answer is C Liquid

C.Liquid is your answer

Why is CaCl, called "calcium chloride" but SCl, is called sulfur
dichloride?

Answers

Answer:

because Sulphur is written as S₂

Explanation:

Which of the following can be classified as a good conductor of thermal energy?

plastic

wood

rubber

copper

Answers

the correct answer is copper.







hope that helps :))

A solution of KOH is prepared with a [OH-] concentration of 3.3 × 10-2 M. Calculate [H+], pH, and identify whether the solution is acidic, basic, or neutral.

Answers

Answer:

[H⁺] = 3.03x10⁻¹³ MpH = 12.52The solution is basic

Explanation:

We can first calculate [H⁺] by using the formula:

[H⁺] * [OH⁻] = 1x10⁻¹⁴[H⁺] * 3.3x10⁻² = 1x10⁻¹⁴[H⁺] = 3.03x10⁻¹³ M

Now we proceed to calculate pH:

pH = -log [H⁺]pH = -log (3.03x10⁻¹³)pH = 12.52

As the pH is higher than 7, the solution is basic.

Explain how the digestive/excretory system is similar to a recycling center

Answers

Answer:

The digestive system is a system where our body breaks down food to acquire important nutrients. This is the same as your local recycling center because they collect and breaks the plastic down to be reused into recycled products.

The excretory system is a system where we remove excess unnecessary materials. This can be the same as the recycling center because they remove unnecessary materials (such as trash that is not meant to be recycled).

The molar mass of copper (I) carbonate is

Answers

Answer:

[tex]\huge\colorbox{violet}{✏﹏ \: ᴀɴsᴡᴇʀ \: }[/tex]

➳The molar mass of copper (I) carbonate is 187.1 g/mol

[tex] \huge\blue{ \mid{ \underline{ \overline{ \tt ꧁❣ ʀᴀɪɴʙᴏᴡsᴀʟᴛ ²²²² ࿐ }} \mid}}[/tex]

m
Which two types of energy are formed by the transformation shown in the
photo?
O A. Chemical energy - thermal energy
B. Thermal energy - electrical energy
C. Thermal energy - chemical energy
D. Chemical energy - electromagnetic energy

Answers

Answer:

D

Explanation:

Hope it helps

#CarryOnLearning

What volume of 1.50 M KBr is fromed ,using 15.6 mL of concentrated KBr with a molarity of 9.65 M?

Answers

Answer:

100.4mL

Explanation:

Using the following formula:

C1V1 = C2V2

Where;

C1 = initial concentration (M)

C2 = final concentration (M)

V1 = initial volume (mL)

V2 = final volume (mL)

According to the information in this question,

C1 = 1.50M

V1 = ?

C2 = 9.65 M

V2 = 15.6 mL

Using C1V1 = C2V2

V1 = C2V2/C1

V1 = (9.65 × 15.6) ÷ 1.5

V1 = 150.54 ÷ 1.5

V1 = 100.36 mL

Approximately, V1 = 100.4mL

Para que sirven los modelos atómicos

Answers

Answer:

mi no speak espanol

Explanation:

Help please I’m confused

Answers

Answer:1 answer number 1

Explanation:

9.49.8 grams of Kl is dissolved in 1.00 kg of solvent. What is the molality?

Answers

Answer:

Molality = 9.498 mol  k g − 1

Explanation:

A final way to express the concentration of a solution is by its molality. The molality ( m ) of a solution is the moles of solute divided by the kilograms of solvent. A solution that contains 1.0 mol of NaCl dissolved into 1.0 kg of water is a “one-molal” solution of sodium chloride.

molality = number of moles of solute/ mass of solvent in kg

number of moles of KI = mass of KI / molar mass of KI  

number of moles of KI = 9.49.8 g / 1.00 g  m o l − 1

number of moles of KI = 9.498 moles  

molality = 9.498 moles / 1kg  

molality = 9.498 mol  k g − 1

if there is a bottle of grape juice with 20% juice and there is 1000mL of total drink, how many mL of water
is in the bottle?

Answers

Answer:

760ml of water

Explanation:

Answer: 800mL

Explanation:

20% of 1000mL is 200. 1000mL - 200mL is 800mL

Why does the chloride ion have a charge of -1

Answers

Explanation:

As we know that chloride ion is halogen. So it has seven valence electrons in its valence shell. Hence it gains one electron from others during chemical reaction to be stable. So Chloride ion have a negative charge of -1.

Hope it will help :)❤

It takes a season to create a hybrid, and about 15 years to create a_____.

Answers

It takes a season to create a hybrid, and about 15 years to create a Plant variety.

may this helps you

hope it's correct

bye

how many molecules of CO2 would 700g be?

Answers

Answer:

13

Explanation:

HELLLLLLPPPPP
What type of circuit does this figure represent?

an open series circuit


an open parallel circuit


a closed parallel circuit


a closed series circuit

Electricity and magnetism

Answers

Answer:

a closed series circuit

Answer:

An open series circuit

Explanation:

I'm late but for future people...

I took the test.

Wat two common uses for Cadmium

Answers

Answer:

Common (industrial) uses for cadmium today are in batteries, alloys, coatings (electroplating), solar cells, plastic stabilizers, and pigments

Common industrial uses for cadmium today are in batteries, alloys, coatings, solar cells, plastic stabilizers, and pigments as well. Cadmium is also used in nuclear reactors where it acts as a neutron absorber. Cadmium is a metal used in almost every day of our lives.

How many joules are required to change 40 grams of water to steam at the boiling point?

Answers

Answer:

2260 J

Explanation:

For water at its boiling point of 100 ºC, the heat of vaporization is 2260 J g-1. This means that to convert 1 g of water at 100 ºC to 1 g of steam at 100 ºC, 2260 J of heat must be absorbed by the water.

A team of scientists claim that they have discovered a new experimental
method for determining percent composition. Which of the following is
necessary for the claim to be considered valid?
A. The method must support the law of conservation of mass.
B. The percent compositions for any two compounds made from the
same elements must be the same.
C. Each atom must contribute the same mass to the compound.
D. All scientists using the new method must get the same results.

Answers

Answer:

Option C

Explanation:

The new method must support the law of definite proportions which means that if one mole of compound is distributed percentage wise then the sum of % share of each element must be equal to one mole of compound and this percentage distribution always remains the same in all conditions

Hence, option C is correct

Annie has a soccer ball and a kickball. She kicks each ball with the same force. The soccer ball accelerates at 3 m/s2, and the kickball accelerates at 5 m/s2. Use Newton’s laws to describe why the kickball has a greater acceleration.


Also sorry its actually science

Answers

F=ma
a=F/m
so kickball having less mass will result to more acceleration

9. The verb corrode means 'wear away gradually, usually by a chemical reaction." A metal
that is prized for its "resistance to corrosion" has what property?
A metal that is prized for its resistance to corrosion has what property?

Answers

Answer:

The metal has a high resistance to corrosion, meaning it is more durable and will nor rust easily.

Explanation:

The verb "corrode" means the condition of being damaged easily. In other words, it means that the metal or item gets worn out easily and is not long-lasting.

So, when metal is prized for its resistance against corrosion, it means that the metal is strong and does not wear out easily. It can outstand and withheld the corrosion effect longer. This means that the metal is durable and will not corrode easily.

hello guys,
differentiate between vapourisation and evaporation

Answers

Answer:

vapourisation can occur from solid or liquid into a gas but evaporation is straight from a liquid and is often below boiling temperature while vapourisation is often above boiling temperature

Answer:

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[tex]\underline\blue{\textsf{\textbf{Question-}}}[/tex]

Differences between Vaporization & Evaporation:-

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[tex] \huge\green{ \mid{ \underline{ \overline{ \tt PARAMETERS: }} \mid}}[/tex]

DefinitionTransition of stateSpeed of processEffect areaMovement of molecule

[tex] \huge\purple{ \mid{ \underline{ \overline{ \tt VAPORIZATION: }} \mid}}[/tex]

It is defined as the transitional phase of a compound or an element at the boiling temperature.It changes the state of matter from a solid or liquid to a gas.It is generally happening at a fast pace and also it needs less amount of energy.During the vaporization process, all of the water turns into a gas.During vaporization, molecules may come from below the surface of liquid also.

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It is nothing but a special kind of vaporization and mostly occurring at the temperature below the boiling point.It changes the liquid state of the matter directly into a gas.It is generally a slower process that needs more energy.During the evaporation process, only the top level of water turn into gas.During evaporation, molecules vaporize from the surface of liquid only.

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Will give lots of points if answered correctly. Determine the kb for chloroform when 0.793 moles of solute in 0.758 kg changes the boiling point by 3.80 °C.

Answers

Answer: The value of [tex]K_{b}[/tex] for chloroform is [tex]3.62^{o}C/m[/tex] when 0.793 moles of solute in 0.758 kg changes the boiling point by 3.80 °C.

Explanation:

Given: Moles of solute = 0.793 mol

Mass of solvent = 0.758

[tex]\Delta T_{b} = 3.80^{o}C[/tex]

As molality is the number of moles of solute present in kg of solvent. Hence, molality of given solution is calculated as follows.

[tex]Molality = \frac{no. of moles}{mass of solvent (in kg)}\\= \frac{0.793 mol}{0.758 kg}\\= 1.05 m[/tex]

Now, the values of [tex]K_b[/tex] is calculated as follows.

[tex]\Delta T_{b} = i\times K_{b} \times m[/tex]

where,

i = Van't Hoff factor = 1 (for chloroform)

m = molality

[tex]K_{b}[/tex] = molal boiling point elevation constant

Substitute the values into above formula as follows.

[tex]\Delta T_{b} = i\times K_{b} \times m\\3.80^{o}C = 1 \times K_{b} \times 1.05 m\\K_{b} = 3.62^{o}C/m[/tex]

Thus, we can conclude that the value of [tex]K_{b}[/tex] for chloroform is [tex]3.62^{o}C/m[/tex] when 0.793 moles of solute in 0.758 kg changes the boiling point by 3.80 °C.

Consider the combustion of pentane (C5H12)
a. Write the complete, balanced equation:

b. Determine the limiting reactant if 62.5 grams of pentane combine with 107 L of oxygen gas at STP.
c. If 54.6 L of CO2 gas is produced in the experiment, what is the percent yield?

Answers

Explanation:

C5H12 + 8O2 → 5CO2 +6H2O

balanced✓

stable✓

If 4.04g of h2 gas react with oxygen gas to create 36.36g of water, how many grams of oxygen reacted?

Answers

Answer:

gO₂ = 32.32 g

Explanation:

In this case, let's write the general equation:

2H₂ + O₂ -------> 2H₂O

In this case, we can use the 1° law, which is mass conservation. If the product has 36.36 g of water, then in the reactants we should have the same 36.36 g.

According to this, we already have 4.04 of hydrogen, then the remaining to reach the 36.36 g would be:

gO₂ = 36.36 - 4.04

gO₂ = 32.32 g

Hope this helps

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