what is the formula for calcium nitrate?
<answer> The formula for calcium nitrate is Ca(NO3)2. <context> Calcium Nitrate: Ca(NO3)2. The reason for the two on the nitrate is to balance the charges. Calcium as an ion is 2+, while nitrate is 1-. Thus, 2 - 1 - 1 = 0, or a neutral molecule. Yes, calcium nitrate is a salt. Salts are simply metals with non-metals.