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If four moles of hydrogen react with four moles of oxygen to produce water, what is the excess reactant ? a. oxygen b.water c.hydrogen Thanks :P
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If four moles of hydrogen react with four moles of oxygen to produce water, what is the excess reactant ?

a. oxygen
b.water
c.hydrogen

Thanks :P

User Tameem Khan
by
8.2k points

2 Answers

3 votes
the answer is a
oxygen will excess by 2 moles
User GiuServ
by
8.4k points
0 votes
H2 + O2 -> H2O

1 mole + 1/2 mole -> 1 mole

4 mol + 2mol -> 4mol

This means that oxygen is in excess by 2 moles
User Anzure
by
7.1k points
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