Question

Calculate no of moles in 10.0g of caco3

Answer 1

given 10g of caco3
find caco3's molecular mass=100.01
so given wt./molecular mass of CaCO3

10÷100=0.1

Answer 2

m = 10 g

M = 40 + 12 + 3×16 = 100

n = m / M

= 10 / 100

n= 0.1 moles


Thanks