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A 6.0 M NaOH solution is made with 400 grams of NaOH. How much do you have?

M = mol/L

L = mol/M

Answers

Answer 1

Answer:

10 mol, or 1.667L

Explanation:

__mol=400gNaOH * [tex]\frac{1mol}{39.99g}[/tex]

__L=400gNaOH * [tex]\frac{1mol}{39.99g}[/tex]  * [tex]\frac{1L}{6M}[/tex]

Which one are you solving for? The top is for number of moles and the bottom is number of liters. You already have the mass so you are obviously not solving for that.


Related Questions

Cho một lượng hỗn hợp CuO và Fe2O3 tác dụng hết với dung dịch HCl thu được 2 muối có tỉ lệ mol là 1 : 1. Phần trăm khối lượng của CuO và Fe2O3 trong hỗn hợp lần lượt là:

Answers

Answer:

fafsafwafsxDlmfao

Explanation:

Do polar molecules conduct energy as well as ionic molecules?

Answers

Answer:

Polar covalent compounds can not conduct electricity. But when they are dissolved in water, then they are capable of conducting electricity as the electrons will be free to conduct electricity.

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The pressure of gas in a 600.0 mL cylinder is 65.0 mmHg. What is the new volume when the pressure is increased to 385 mmHg?

Answers

Answer:

P1V1=P2V2

65 mmHg × 600 mL = 385 mmHg × V2

V2 = 101.30 mL

Explanation:

We can use Boyle's law

An atom's mass number equals the number of

Answers

Answer:

Together, the number of protons and the number of neutrons determine an element's mass number: mass number = protons + neutrons. If you want to calculate how many neutrons an atom has, you can simply subtract the number of protons, or atomic number, from the mass number.

Explanation:

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A compound of mercury and oxygen is heated in order to decompose the compound. A 4.08 grams sample of mercury oxide upon heating gives off oxygen gas. After heating the mass of mercury metal left behind was 3.78 grams. Calculate the empirical formula of the compound
My and: 1 O2 to 2 Hg ratio but I don't know if it's correct and if so if I should write it as
2HgO ----> 2Hg + O2 or just 2Hg + O2
Please someone who understands help.

Answers

Answer:

HgO (empirical formula)

Explanation:

4.08 - 3.78 = 0.3g (oxygen)

[tex] (\frac{4.08}{201}) \: \: \: (\frac{0.3}{16} )[/tex]

0.02 : 0.02

0.02/0.02 : 0.02/0.02

1 : 1 (ratio)

HgO ( empirical formula)

2HgO ----> 2Hg + O2 ( your equation correct)

How many subshells in 4s

Answers

Answer:

hhjkjggghjjjjjj

Explanation:

vbjjkkkkkkkj

calculate the number of collision/sec/cm3 for argon at STP given that it's molecular diameter is 0.20nm​

Answers

d=0.20nm

We need collisonal section area

[tex]\\ \sf\longmapsto \sigma=2d[/tex]

[tex]\\ \sf\longmapsto \sigma=2(0.20nm)[/tex]

[tex]\\ \sf\longmapsto \sigma=0.4nm[/tex]

Is medicine, such as the aspirin shown in the image above, an example of science or technology?

Answers

Answer:

Technology

hope this helps

Sexual reproduction occurs when two specialized sex cells also known as _____________, fuse together.

Answers

Answer:

Explanation:

During sexual reproduction the two gametes join together in a fusion process known as fertilization, to create a zygote, which is the precursor to an embryo offspring, taking half of its DNA from each of its parents. In humans, a zygote contains 46 chromosomes: 23 from its mother and 23 from its father

David drops a golf ball and a bowling ball at the same time. He then drops a tennis ball and a volleyball. He notices that each pair hit the ground at the same time. Then David picks up a marble and a baseball. If he drops them both at the same time, what can David predict will happen

Answers

Answer:

if he drops them some where there is no air they will both land at the same time as they have no air resistance and gravity pulls every item equally but if they just do it of a building in the middle of the street then the baseball would hit first as it has a larger mass  

Explanation:

If the density of a liquid is 20g/mL and the volume is 70mL, what is the mass?

Answers

Answer:

mass= volume ×density

20×70=1400 g

Which statement is the best explanation for why two negatively charged balloons move apart without ever touching?


1)Electric charges have electric fields surrounding them that allow them to exert forces on other objects without touching them.


2)Electrons from one balloon jump to the other and push it, without ever touching it.


3)The space between objects is actually filled with charged particles that all interact.


4)Charged objects send little lightning bolts of electrons across the space between the two balloons.

Answers

Answer:

Answer is 1: Electric charges have electric fields surrounding them that allow them to exert forces on other objects without touching them.

Option 1 offers the best justification for why two negatively charged balloons travel apart but never touch: Electric charges may exert pressures on other things without ever contacting them because of the electric fields that surround them.

What is the way of generating electric field ?

This is because electric charges generate electric fields that, even when they are not in contact with other things, may push and pull on them. This is because electric fields—invisible lines of force that emerge from an electric charge and radiate out—can interact with other electric charges as well as physical things.

One balloon's electric field will interact with the electric field of the second balloon, pushing the two balloons apart. Because electrons do not leap from one balloon to another, Option 2 is inaccurate.Because electrons do not leap from one balloon to the next, Option 2 is untrue. Instead, the balloons are forced apart by the interaction of the electric fields.

Option 3 is erroneous because charged particles do not fill the void between the items. Instead, the electric charges cause electric fields to fill the area. Option 4 is erroneous because charged objects do not transmit tiny electron lightning bolts across the space between the two balloons, which brings us to our last error.

Instead, the balloons are forced apart by the interaction of the electric fields.

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Liquids _____.

a. take the shape of the container and
b. have a definite volume
c. have definite shape and a definite volume have no shape and no definite volume
d. none of the above

Answers

Answer:

It takes the shape of a container.


2.How could you identify an element by its
number of protons?

Answers

The number of protons determines an elements atomic number and distinguishes one element from another. For example, carbons atomic number is six because it has six protons. The number of neutrons can vary to produce isotopes, which are atoms of the same element that have different numbers of neutrons

How large are dwarf galaxies compared to the Milky Way galaxy?

Question 1 options:

the same size


about 1/5 the size


about 1/10 the size


billions of time smaller

Answers

Billions of time smaller

Evidence of chemical reactions include changes in

Answers

Answer:

color, state, odor

Explanation:

BTW this is actually a science quetion.


What is the amount of matter in an object compared to the space it takes up. Im confused because i think its mass but i was told that mass is the amount of matter something contains.​

Answers

Answer:

Volume simply refers to the space an object takes up. Depending on the physical state of an object, there are a couple ways to measure volume.

what are empirical observations?

Answers

Answer:

Empirical evidence for a proposition is evidence, i.e. what supports or counters this proposition, that is constituted by or accessible to sense experience or experimental procedure. Empirical evidence is of central importance to the sciences and plays a role in various other fields, like epistemology and law.

Explanation:

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derived from experience or experiment. 2. depending upon experience or observation alone, without using scientific method or theory, esp. in medicine.

please help , science tho. by the way i have to do 5

Answers

Answer:

850

Explanation:

It's between 840 and 860

Why are polymers insoluble in sodium bicarbonate?

Answers

Answer:

The term “polymers” covers a pretty broad range.

For a polymer to be soluble in any water solution it has to have a degree of polar functionality. This can be such things as acid functions or hydroxyl functions. A co-polymer containing a large amount of methacrylic acid would be soluble in a bicarb solution.

If you are thinking of polymers such as polyethylene or polystyrene then there is no functionality to be neutralized which would render them soluble.

Explanation:

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Which statement correctly classifies gamma emission?(1 point)


Gamma emission is not a type of radioactive decay or a fission reaction.

Gamma emission is not a type of radioactive decay, but it is a fission reaction.

Gamma emission is a type of radioactive decay, but it is not a fission reaction.

Gamma emission is a type of radioactive decay that is also a fission reaction.

Answers

Answer:

Gamma emission is a type of radioactive decay, but it is not a fission reaction.

Explanation:

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Please help me with this :) thank you

Answers

Answer:

your welcome :)

Explanation:

If a 125 micron tissue slice is 125 µm thick, what is the thickness in inches?

Answers

Answer:

125 micrometres is 0.125 mm or 0.0125 cm or 0.000125m convert from cm to inches and u have the answer

The thickness of a 125 µm tissue slice is approximately 0.00492 inches.

Micron (µm) is a unit of length commonly used to measure very small distances, particularly in scientific and medical contexts. To convert microns to inches, you can use the conversion factor that 1 inch is equal to 25,400 microns (1 inch = 25,400 µm).

Given that the tissue slice is 125 µm thick, you can use the conversion factor to find its thickness in inches:

Thickness in inches = Thickness in microns / Conversion factor

Thickness in inches = 125 µm / 25,400 µm/inch

Thickness in inches ≈ 0.00492 inches

So, the thickness of the 125 µm tissue slice is approximately 0.00492 inches. This conversion is important for understanding the dimensions of microscopic samples and for making comparisons with measurements in other units, especially when working with scientific data and research.

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A 10.0 cm sample of copper has a mass of 89.6 g. What is the density?

Answers

Answer:

19.3 g/cm3

A 10.0 cm3 sample of copper has a mass of 89.6 g. What is the density of copper? 19.3 g/cm3

hich is the percent per mass of 2 grams of cumin powder mixed in 50 mL milk?


3. 51%


4%


3. 49%


5%

Answers

Answer:

4%

Explanation:

i had the same question

Try to compare the landscape differences between the surface of the moon and the surface of the earth.​

Answers

Answer:

eat this

Explanation:

A cube with sides 4cm. It's mass is 54g. will it sink or float ?

Answers

If I put you on a goat

Put you in some water

Now you’re gonna float

how many millilters of a 6.00 M sulfuric acid solution are reqired if you need 0.750 moles of H2SO4 for a reaction

Answers

125 milliliters of a 6.00 M sulfuric acid solution are required if 0.750 moles of H2SO4 are needed for a reaction.

HOW TO CALCULATE VOLUME:

The volume of a solution can be calculated by dividing the number of moles of that solution by its molar concentration. That is:

Volume = no. of moles ÷ molarity

According to this question, the molarity is given as 6.00 M sulfuric acid solution and the no. of moles is 0.75 moles. The volume is calculated thus:

Volume = 0.75mol ÷ 6M

Volume = 0.125L

Volume of sulfuric acid in milliliters = 0.125 × 1000 = 125mL

Therefore, 125 milliliters of a 6.00 M sulfuric acid solution are required if 0.750 moles of H2SO4 are needed for a reaction.

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Among the elementary subatomic particles of physics is the muon, which decays within a few nanoseconds after formation. The muon has a rest mass 206.8 times that of an electron.
Calculate the de Broglie wavelength associated with a muon traveling at a velocity of 8.50×105 cm/s .

Answers

The De Broglie wavelength of the muon is calculated to be 4.13 × 10^10 m

We have the following information;

mass of the muon  (m)= 206.8 × 9.11 × 10^-31 Kg = 1.88 × 10^-28 Kg

Plank's constant(h)  = 6.6 × 10^-34 Js

Velocity of the muon(v) =  8.50×10^5 cm/s or 8500 m/s

From;

λ = h/mv

λ = 6.6 × 10^-34/1.88 × 10^-28 ×  8500

λ = 6.6 × 10^-34/1.598 × 10^-24

λ = 4.13 × 10^10 m

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Viết cấu trúc Lewis và công thức cấu tạo cho các phân tử sau: MgO; HNO3; H2SO4. Giải thích liên kết trong các phân tử trên thuộc loại liên kết gì? Xác định mức độ ion trong liên kết MgO.

Answers

Answer:

hydrogen cloride

Explanation:

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