Question

You have 200 g of a substance with a molar mass of 150 g/mol.

How many moles of the substance do you have?

Responses

0.75 mol

0.75 mol

1.00 mol

1.00 mol

1.33 mol

1.33 mol

1.50 mol

1.50 mol

Answer 1

Moles = mass / molar mass = 200 g / 150 g·mol⁻¹ = 1.333... mol ≈ 1.33 mol.