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denpristay [2]
3 years ago
15

Calculate the number of molecules in 210 grams of H2O

Chemistry
1 answer:
spin [16.1K]3 years ago
4 0
H2O=18.01g/mole. 210g divided by 18.01g/mole=11.653mole. 1 mole has 6.22x10^23 molecules. So there is 11.653x(6.22x10^23) molecules. Just multiply 11.653 by 6.22. Then put it as answerx10^23 molecules
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