Chapter 5, Problem 74P

Sodium metal (Na) reacts violently when added to water according to the following balanced equation.

   $\text{2Na(s)}+{\text{2H}}_{\text{2}}\text{O(l)}\to {\text{2NaOH(aq) + H}}_{\text{2}}\text{(g)}$

1. How many moles of H₂O are needed to react completely with 3.0 mol of Na?
2. How many moles of H₂ are formed from 0.38 mol of Na?
3. How many moles of H₂ are formed from 3.64 mol of H₂O?