How do we express mass of a substance in terms of moles?
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How do we express mass of a substance in terms of moles?
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Answer:
If you want to know how many moles of a material you have, divide the mass of the material by its molar mass. The molar mass of a substance is the mass in grams of one mole of that substance. This mass is given by the atomic weight of the chemical unit that makes up that substance in atomic mass units (amu).
Explanation: