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labwork [276]
3 years ago
7

Which of these 3 molecules is most polar? And which is the least polar? H2O, H2S, or SO2? Explain.

Chemistry
1 answer:
stepan [7]3 years ago
5 0

Answer:so2

Explanation:

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Explanation:

Start with a balanced equation.

2H2 + O2 → 2H2O

Assuming that H2 is in excess, multiply the given moles H2O by the mole ratio between O2 and H2O in the balanced equation so that moles H2O cancel.

5 mol H2O × (1 mol O2/2 mol H2O) = 2.5 mol O2

Answer: 2.5 mol O2 are needed to make 5 mol H2O, assuming H2 is in excess.

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marishachu [46]
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