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20-12-2017
Chemistry

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How many molecules are in 1.00 gram of water, h2o?

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Dejanras Dejanras

20-12-2017

n(H₂O)=1g÷18g/mol=0,055mol
N(H₂O)=0,055mol · 6·10²³ 1/mol (Avogadro number)= 3,33·10²² molecules.

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