What volume of a 7.00 M solution of Ca(OH)2 is needed to neutralize 37.2 mL of a 3 M solution of nitric acid?

1. 15.9 mL

2. 37.2 mL

3. 7.97 mL

4. 24.2 mL

Here is a worked example. Follow the steps. http://www.jiskha.com/science/chemistry/stoichiometry.html