What is the coefficient of H2O when the reaction is balanced? Al(s)+H2O(l)→Al(OH)3(s)+H2(g)

3
4
5
6
9

Explanation:

The balanced chemical equation is

2 Al ( s ) + 6 H2O ( l )→ 2 Al(OH)3 ( s ) + 3 H2 ( g )

The coefficient of H2O when the reaction is balanced is equal to 6.

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answer: the primary difference between a hypothesis and a theory is that b hypothesis is falsifiable, but a theory has been proven to be correct. theory is an explanation of something that is happening but hypothesis is a guess of something that can happen

explanation:

the answer for sodium is 0.186

the answer for rubidium is 0.251