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If there is enough energy and H2, then how many moles of Sn02 will react with 2 moles of H2 and produce 1 mole of Sn and 2 moles of H2O? How many moles of SnO2 does this balanced equation represent?

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Answer:

One mole of SnO2

Explanation:

SnO2(s) + 2H2(g) ------> Sn(s) + 2H2O(l)

In every question that has to do with stoichiometry, the balanced reaction equation is the first step towards obtaining the correct answer because it serves as a guide in solving the question.

From the balanced reaction equation, we have

1 mole of SnO2 reacts with 2 moles of hydrogen gas to yield two moles of water.

The balanced reaction equation represents one mole of SnO2.

Hence the answer.

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