# How many moles of oxygen gas are produced when 0.500 mol Na_2O_2 reacts with water?

Jan 5, 2018

As far as I know NONE.....

#### Explanation:

Sodium peroxide can be thermolyzed to give dioxygen gas...

$N {a}_{2} {O}_{2} \left(s\right) + \Delta \rightarrow N {a}_{2} O \left(s\right) + \frac{1}{2} {O}_{2} \left(g\right) \uparrow$

But with water, we simply get an acid base reaction....

$N {a}_{2} {O}_{2} \left(s\right) + 2 {H}_{2} O \left(l\right) \rightarrow 2 N a O H \left(a q\right) + {H}_{2} {O}_{2} \left(a q\right)$...