Calculating molar mass and number of moles (worked example)
5:49
Khan AcademySal Khan
Calculating molar mass and number of moles (worked example)
The molar mass of a substance is the mass in grams of 1 mole of the substance. As shown in this video, we can obtain a substance's molar mass by summing the molar masses of its component atoms. We can then use the calculated molar mass to convert between mass and number of moles of the substance.
Dec 11, 2019
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