Multiple Choice
Given 0.10 M solutions of the following acids, which contains the highest concentration of H3O+?
A) HF, Ka = 6.3 × 10−4
B) HCN, Ka = 6.2 × 10−10
C) HOCl, Ka = 4.0 × 10−8
D) CH3CO2H, Ka = 1.8 × 10−5
E) HCO2H, Ka = 1.8 × 10−4
Correct Answer:

Verified
Correct Answer:
Verified
Q89: The bicarbonate ion, HCO<sub>3</sub><sup>-</sup>, is amphoteric. What
Q90: Identify blood, pH = 7.4, as acidic,
Q91: The H<sub>2</sub>PO<sub>4</sub><sup>-</sup> ion is amphoteric. What are
Q92: When acetate ion, CH<sub>3</sub>CO<sub>2</sub><sup>−</sup>, reacts with water,
Q93: The K<sub>a</sub> for formic acid is 1.8
Q95: Select the pair that consists of a
Q96: When the following reaction goes in the
Q97: Which of the following equations represents the
Q98: When the following reaction goes in the
Q99: Calculate the pH of a solution that