Question

2KCIO3 -> 2KCI + 302

For the reaction shown here, calculate how many moles of reactants are needed to produce 96 grams of oxygen gas as a product.

A) 1
B) 2
C) 3
D) 4​

Answer 1

Moles of oxygen

• Given mass/molar mass
• 96/32
• 3mol

2 mol reactants required for 3mol O_2

So our answer is 2