113k views
1 vote
How many moles are in 240g of CaCO3?

How many moles are in 240g of CaCO3?-example-1

1 Answer

5 votes

Using the periodic table, find the molar mass of each compound in CaCO3

CA = 40

C = 12

O = 16

Molecular Mass = 40 + 12 + (16 x3) = 100 grams.

Number of moles = given mass / molecular mass

Number of moles = 240 g / 100g = 2.4 moles

User Mlumeau
by
7.8k points