Solution Found!
The chemical equation for the formation of water is 2H2 +
Chapter 9, Problem 9.1.51(choose chapter or problem)
The chemical equation for the formation of water is 2H2 + O2 2H2O a. If 3.3 mol O2 are used, how many moles of H2 are needed? b. How many moles O2 must react with excess H2 to form 6.72 mol H2O? c. If you wanted to make 8.12 mol H2O, how many moles of H2 would you need?
Questions & Answers
QUESTION:
The chemical equation for the formation of water is 2H2 + O2 2H2O a. If 3.3 mol O2 are used, how many moles of H2 are needed? b. How many moles O2 must react with excess H2 to form 6.72 mol H2O? c. If you wanted to make 8.12 mol H2O, how many moles of H2 would you need?
ANSWER:Step 1 of 3
a) The balanced chemical equation for the formation of water is
The ratio of dihydrogen and dioxygen in the balanced chemical equation is 2:1
According to the question,
If 3.3 mol of are used then no. of moles of are needed are twice the moles of oxygen, i.e.,