chasedehlin8638 chasedehlin8638
  • 11-06-2018
  • Chemistry
contestada

While molar mass is typically written in grams per mole, is the ratio moles per gram also acceptable?

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Dejanras
Dejanras Dejanras
  • 20-06-2018
Answer is: yes, because the ratios of grams and moles would be similiar.

For example, molecule of water:
1) M(H
₂O) = 2Ar(H) + Ar(O) · g/mol.
M(H₂O) = 2 + 16 · g/mol.
M(H₂O) = 18 g/mol; molar mass of water
Ratio grams and moles is 18 : 1.
2) if we write molar mass as ratio mole and grams (1 mol/18 g), ratio is of grams and moles is still the same 18 : 1.
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