Question

Given the following, find the number of moles:14.2g of Co2

A. 0.32

B. 0.32 mol CO2

C. 0.4 mol CO2

D. 1.00 mol CO2

Answer 1

n = m / M

M (CO₂) = 40 g/mol

n (CO₂) = 14.2 / 40 = 0.355 mol = 0.4 mol

C. 0.4 mol CO₂