What is mole of a substance? - Thermodynamics

Q.  What is a mole of a substance?
- Published on 19 Aug 15

a. One mole has a mass numerically equal to half the molecular weight of the substance
b. One mole has a mass numerically equal to the molecular weight of the substance
c. One mole has a mass numerically equal to double the molecular weight of the substance
d. none of the above

ANSWER: One mole has a mass numerically equal to the molecular weight of the substance

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