Chemistry - Stoichiometry

Question

In the balanced chemical equation below, how many moles of sodium fluoride are needed to produce 92.2 moles of calcium fluoride?

CaSO4 + 2NaF —> Na2SO4 + CaF2

Answer 1

Sodium fluoride = NaF

Calcium fluoride = CaF₂

CaSO₄ + 2NaF ==> Na₂SO₄ + CaF₂

Look at the coefficients in this balanced equation and use them (stoichiometry) along with dimensional analysis to find the answer.

92.2 moles CaF₂ x 2 mol NaF / 1 mol CaF₂ = 46.1 moles NaF needed