Chemistry College

Question 30 of 43
The balanced equation for the neutralization reaction of aqueous H2SO4 with aqueous KOH is shown.
H2SO4 (aq) +2KOH (aq) → 2H2O+K2SO4 {aq}.

What volume of 0.240M KOH is needed to react completely with 11.4mL of 0.110M H2SO4 ?

Question 30 Of 43The Balanced Equation For The Neutralization Reaction Of Aqueous H2SO4 With Aqueous

Answers

Answer 1

The volume of 0.240 M KOH to react completely with 11.4 ml of 0.110 M sulphuric acid is 5.225 ml.

What is molarity?

Molarity of a solution is the ratio of the number moles of solutes to the volume of solution in liters. Molarity is most common term used to express the concentration of a solution.

Let the volume and molarity of the titrant be V1 and M1 respectively and the volume of molarity of the analyte be V2 and M2 then,

M1 V1 = M2 V2.

Given volume of H₂SO₄  = 11.4 ml

Molarity = 0.11 M

Molarity of KOH = 0.24 M

volume of KOH = (11.4 ml × 0.11 M) / 0.24 M

                         = 5.225 ml.

Hence, the volume of KOH needed for the titration with sulphuric acid is 5.2 ml.

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Related Questions

Question 32 of 43
Indicate the electron pair geometry and the molecular geometry for each of the six compounds

Answers

1) Electron pair geometry - tetrahedral

Molecular geometry - bent

2) Electron pair geometry - tetrahedral

Molecular geometry - bent

3) Electron pair geometry - tetrahedral

Molecular geometry - linear

4) Electron pair geometry - tetrahedral

Molecular geometry -  trigonal bipyramidal

5)  Electron pair geometry - trigonal planar

Molecular geometry -  trigonal planar

What is the electron pair geometry?

We know that a compound would have its structure based on the number of electrons pairs that can be found on the valence shell of the atom. According to the valence shell electron pair repulsion theory, the electron pairs that surround the valence shell would be the major determinant of the structure of the compound.

We also have to recall that the number of the lone pairs and the bond pairs in the compound are also a key as we want to determine the structure. This is because, while all the electron pairs count towards the electron pair geometry, the bond pairs count towards the molecular geometry of the compound.

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Determine the equilibrium constant at 255 K for the following reaction under acidic conditions.
4H+ (aq) + MnO₂ (s) + 2Fe²+ (aq) ———› Mn²+ (aq) + 2Fe³+ (aq) + 2H₂O(1)
The two half-reactions are:
MnO₂ (s) + 4H+ (aq) + 2e¯¯ ———› Mn²+ (aq) + 2H₂O(1) E* = 1.23 V
Fe³+ (aq) + e, Fe²+ (aq) E³ = .0.770 V

Answers

Temperature is supplied to us as 225 K. The reduction potential potentials will be used to get it equilibrium constant for the this reaction.

What does equilibrium mean in its simplest form?

Definition of EQUILIBRIUM as a noun in the Britannica Dictionary. [noncount] 1. a condition when conflicting forces or acts are matched so that neither is stronger or more significant than the other.

What does the term "equilibrium" signify in biology?

The forces that affect the body must balance out with an equivalent and opposing force for there to be a condition of equilibrium. The physiological state of equilibrium, wherein forces internal and external are all in balance, in an active moving animal. The system is hence stable.

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