One mole is the amount of substance that...

One mole is the amount of substance that contains as many elementary particles as 12 g of `_^12C` isotope of carbon. What do you mean by molar mass of a compound?

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The mass of one mole of any substance is called the molar mass.

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One mole is the amount of substance that contains as many elementary particles as 12g of C^12 isotope of carbon. What do you meaqn by molar mass of a compound?

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