One gram molecular weight (1 gmw) of any two substances will contain the same number of atoms or molecules.The number of atoms or molecules in 1 gram atom weight (1 gaw) or gmw has been shown by experiment to be 6.02 F1F1F1S1F1F1F10 10 23 .This number is called Avogadro's number, and 1 gaw or gmw of any substance is commonly referred to as 1 mole.

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Avogadro's Number Is

Question 8

Multiple Choice

Avogadro's number is

A) the ratio of the weight of each element in a compound.
B) equal to the atomic mass of an element.
C) the number of atoms or molecules in 1 gaw or gmw.
D) the electron configuration of an element.

Correct Answer: