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Law of Constant Proportion

The relative ...

Question

The relative molecular mass of a substance expressed in grams is known as _____________.

A

gram molecular mass

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B

gram atomic mass

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C

average atomic mass

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D

average molecular mass

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Solution

The correct option is A gram molecular mass
Gram molecular mass is the mass in grams of one mole of a molecular substance. Gram molecular mass is the same as molar mass. The only difference is that gram molecular mass specifies the mass unit to be used.

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