Question

calculate the number of moles in 60gram of calcium

Answer 1

Given mass, m = 60 g

Molar mass, M = 40 g mol-1

No. of moles, n = m / M

= 60/40

= 1.5 mol

Answer 2

moles = Given mass / molar mass
= 60 / 40
=3/2 moles
1.5 moles ans