CBSE Class 12-science Answered
how much???????/
Asked by mohitgehlot | 11 Apr, 2010, 04:12: PM
Expert Answer
Dear student,
Water has a molecuar mass of 18, this means it weights 18 g per mole. A mole is 6.0221415E23 molecules (Avogadro's number). If you have 1 g of water, you therefore have 1/18 of a mole, or 3.34E22 molecules.Now u have 250 g, hence,
835E22 molecules.
half of it makes hydrogen and other half makes it oxygen
Hope this helps.
Team
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Answered by | 12 Apr, 2010, 10:39: AM
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