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11 Dec 2019

Identify the conjugate acid-base pairs in the equations (b):

H2O(l)+HClO4(aq)⇌H3O+(aq)+ClO−4(aq)

options: H2O/H3O+ and ClO−4/HClO4H2O/H3O+ and HClO4/ClO−4H3O+/H2O and HClO4/ClO−4H3O+/H2O and ClO−4/HClO4

Identify whether the equilibrium mixture in the equation above contains mostly products or mostly reactants:

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Nestor Rutherford
Nestor RutherfordLv2
13 Dec 2019

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Related questions

Identify the acid, the base, the conjugate acid and the conjugate base in the following equation:CH3COOH (aq) + H2O (l) --> H3O+(aq) + CH3COO-(aq)A. CH3COOH is the acid; H2O is the base, H3O+ is the conjugate acid and CH3COO- is the conjugate baseB. CH3COOH is the conjugate acid; H2O is the conjugate base, H3O+ is the acid and CH3COO- is the baseC. CH3COOH is the base; H2O is the acid, H3O+ is the conjugate base and CH3COO- is the conjugate acidD. The equation above cannot occur because water is not an acid or a base.

Two part neutralzation question- thanks in advance and I will always thumbs up if answers are correct!

1. Which of the following is the net ionic equation for the reaction of aqueous nitrous acid being neutralized by aqueous potassium hydroxide?

a.

HNO2(aq) + KOH(aq) -> H2O(l) + KNO2(aq)

b.

HNO2(aq) + OH-(aq) -> H2O(l) + NO2-(aq)

c.

K+(aq) + NO2-(aq) -> KNO2(aq)

D.

H+(aq) + OH-(aq) -> H2O(l)

e.

HNO2(aq) + K+(aq) + OH-(aq) -> H2O(l) + KNO2(aq)

F.

H+(aq) + KOH(aq) -> H2O(l) + K+(aq)

g.

H+(aq) + NO2-(aq) + KOH(aq) -> H2O(l) + KNO2(aq)

2. Which of the following are neutralization reactions? Select all that apply.

a.

HCl + H2O --> H3O+ + Cl-

b.

NaNO2 + H2O --> HNO2 + NaOH

C.

HClO4 + NaOH --> H2O + NaClO4

d.

H+ + OH- --> H2O

E.

None of the above

1. The concentration of H3O+ ions is 4.8 x10-9 in an aqueous solution. What is the concentration of OH- ions and is it acidic, basic, or neutral? ANSWER IN EXPONENTIAL FORMAT. Example: 9.0e-6 for 9.0 x 10-6 watch for sig figs please

2. Equal concentrations of all reactants and products are combined in each of the following reactions. In which direction (right or left) will the reaction proceed to achieve equilibrium?

- A.

HClO4(aq) + CO32-(aq) ⇌ ClO4-(aq) + HCO3-(aq)
- B.

HCO3-(aq) + SO42-(aq) ⇌ HSO4-(aq) + CO32-(aq)
- C.

H2O(l) + NaCl(aq) ⇌ HCl(aq) + NaOH(aq)
- D.

H3PO4(aq) + NH3(aq) ⇌ H2PO4-(aq) + NH4+(aq)

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