Chemistry, asked by lingu, 1 year ago

how many molecules are present in 9gm of water

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Answered by Anonymous
1
Water(H2O) has a molecuar mass of 18, this means it weights 18 g per mole. A mole is 6.0221415*1023 molecules (Avogadro's number). If you have 1 g of water, you therefore have 1/18 of a mole, or 3.34*1022 molecules.
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