Chemistry, asked by thusharamt50, 6 months ago

find the no of moles and molecules present in90g water

Answers

Answered by Anonymous

Answer:

A mole of a compound is a number of grams equal to the atomic weight of a molecule of the compound, so for water we have 2 hydrogen atoms and one oxygen, so the atomic weight of water is 1+1+16=18, so a mole of water is 18 grams. We have 90g of water so we have 90/18 = 5 moles of water.

Answered by sudhansukr77

Answer:

The molecular weight of water is 18 g/mol.

The number of moles in 90 g of water is molecularweightofwaterMassofwater=18g/mol90g=5mol

I think it would be brainleast answer thanks

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