15. Which of the following is the correct label for CH 3 COO - a. acid b. conjug

15) CH3COO- is a conjugate base of CH3COOH 16) b. almost all CH3NH2 and CH3COOH 17) b. CH3NH3+ is a stronger acid than CH3COOH.

ID: 984725 • Letter: 1

Question

15. Which of the following is the correct label for CH3COO-

a. acid

b. conjugate base

c. base

d. conjugate acid

16. The equilibrium constant, K, for this reaction is 2.4×106 at 25 °C. Given that, which one of the following statements is TRUE?

At equilibrium, the reaction mixture contains...

a. almost all CH3NH3+ and CH3COO-

b. almost all CH3NH2 and CH3COOH

c. equal amounts of CH3NH2, CH3COOH, CH3NH3+ and CH3COO-

d. the reaction mixture will be basic.

e. the reaction mixture will be acidic.

17. Based on the value of K given in question 5, what can be said about relative acid strengths?

a. CH3COOH is a stronger acid than CH3NH2.

b. CH3NH3+ is a stronger acid than CH3COOH.

c. CH3NH2 is a stronger acid than CH3COOH.

d. CH3COOH is a stronger acid than CH3NH3+.

15) CH3COO- is a conjugate base of CH3COOH

16) b. almost all CH3NH2 and CH3COOH

17) b. CH3NH3+ is a stronger acid than CH3COOH.

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