How many moles are in 150 g of CaCO₃? (Molar mass 100 g/mol)

Answer and explanation

Correct answer: B. 1.5 mol

  1. Step 1: n = m/M = 150/100.
  2. Step 2: n = 1.5 mol.
Answer
1.5 mol.
Why not the others: 15000 mol, 0.667 mol and 150 mol do not fit.

Practise more Moles, gases and solutions.

Free questions with an explanation for every one, and full timed Tahsili SAAT (Saudi Arabia) mock tests.