5 mole of H2O are equal to..?
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Explanation:
Molecular mass of H2O is 18u
No of moles = given mass / molecular mass
5 = given mass/ 18
Given mass of H2O is 90g.
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Answer:
5 moles of hydrogen gas would react with 2.5 of the available 3 moles of oxygen gas, to form 5 moles of water. The molar mass of water is 18 g/mol, so you would end up with 5 x 18 = 90 g of water
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