which option shows a coefficient on the product side in this chemical equation?

3Fe +4H20 -->Fe30 +4H2

A. the 3 in Fe and 4 in H2O
B.the 2 in H2O the 3 and 4 in Fe3o4 and the 2 in H2
C.the 4 in H2
D.the 3 in Fe and 4 in H2O and 4 in H2

1 answer

C.the 4 in H2

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