Question

How many moles of O2 are required for producing 10 moles of H2O? (Consider C4H10 is in excess)

(a) 6.5

(b) 13

(c) 15

(d) 30

I had been asked this question in class test.

My query is from Stoichiometry in chapter Material Balances without Reaction and Material Balances Involving Reactions of Chemical Process Calculation

Answer 1

The correct choice is (b) 13

To explain I would say: 6.5 mole of O2 is equivalent to 5 moles of H2O.