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Define and explain molar mass....

Define and explain molar mass. 

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Molar mass : The mass of one mole of any substance in gms is called its `underline("molar mass"),`
e.g.: (i) Molar mass of sulphuric acid = 98 g
(ii) Molar mass of hydrogen is one gram for gram atomic mass and two grams for gram molecular mass :
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