How many water molecules are in 12 grams of water?(the molecular mass of water is 18.016 g/mol.)
2 answers:
The answer is c 4.0x10^23
1 mole = 18g water has 6.023*10^23 molecules
And therefore 12 g has 6.023*10^23/18*12 = 4*10^23
C ans
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