Note AcademyNote Academy
Start

Chemistry · Oct / Nov 2023 · Paper 12 · Question 10

5070The mole and the Avogadro constant

Chrome alum is the common name for a salt which has the formula CrK(SO4)2. What is the percentage by mass of chromium in chrome alum?

  1. A17.3
  2. B18.4
  3. C20.7
  4. D21.3

As printed in the paper

Show the answer

Correct answer: B. 18.4

Sit this whole paper →More on The mole and the Avogadro constant

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.