Answer to Question #217698 in General Chemistry for Happy

Question

Freshly cut sodium undergoes a synthesis reaction with oxygen in the air to produce solid sodium oxide. What mass of sodium oxide is produced when 3.45 g of sodium reacts?

Answer 1

O2 + 2Na → Na2O2

Moles of sodium that react...

$Moles= mass/ rmm$

Moles= 3.45/23= 0.15 moles

Moles of sodium oxide produced is 0.075 moles