Question Detail

CHM 101 Errors and Stoichiometry Objective Question

Question

What is the percentage of potassium in KMnO₄? (Molar mass = 158 g, K = 39.1 g)
Options
A 24.7%
Correct Answer
B 34.8%
C 40.5%
D 50.0%
Correct Answer

Option A is the correct answer.

Detailed Explanation

% K = (39.1 g / 158 g) × 100 = 24.7%.

Hint

The notes provide this percentage.

Question Info