MDCAT Chemistry MCQ #2820

A 20.0 g sample of KBr is in 100. g of solution. What is the mass percent of KBr?

MDCAT Chemistry MCQ #2820

  1. Question 1

    Q1. A 20.0 g sample of KBr is in 100. g of solution. What is the mass percent of KBr?

    • A) 16.7%
    • B) 20.0%
    • C) 18.6%
    • D) 25.0%

    Answer: 20.0%

    Explanation: Mass% = (20.0/100.0)×100 = 20.0%. A assumes 120.0 g total mass.