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In the reaction, 2H2 + O2 --> 2H2O, how many hydrogen molecules are needed to produce two water molecules? a. 1 c. 3 b. 2 d. 4
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In the reaction, 2H2 + O2 --> 2H2O, how many hydrogen molecules are needed to produce two water molecules?

a.
1
c.
3
b.
2
d.
4

User BrettFromLA
by
5.3k points

1 Answer

3 votes
2 is the correct answer because with 2O2 molecules it balances the chemical equation.

Hope that helps
User WelshGaz
by
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