# Question #b27d1

##### 1 Answer

Apr 22, 2017

#### Explanation:

First, we need to find what percentage of the Calcium Carbonate is Carbon.

The relative atomic mass of Calcium Carbonate is = (

The relative atomic mass of Carbon is 12, so the percentage of Carbon in Calcium Carbonate is:

So in 100g of Calcium Carbonate, there is 12g of Carbon.

We then find how many moles of Carbon there is:

So there is

In a mole of any substance, there are

Hope this helps:) Let me know if I can do anything else.