# A #2.03*g# mass of calcium salts contains #1.33*g# calcium carbonate. What is the #%# calcium carbonate; and what is the percentage by mass of of calcium in calcium carbonate?

##### 1 Answer

Mar 9, 2017

#### Answer:

#### Explanation:

So we have the

And thus the

We have assumed that ALL of the calcium metal is present as the carbonate.