Answer
325.2828 g
Procedure
The first step is to search for the chemical formula of limestone, which in this case is CaCO₃.
Then we use the molecular weight of limestone to convert between moles and grams.
[tex]3.25\text{ mol CaCO}_3\frac{100.087\text{ g}}{1\text{ mole}}=325.2828\text{ g}[/tex]