Question #aa574

1 Answer
MeneerNask
Dec 11, 2016

About #6.022xx10^23#

Explanation:

This is called Avogadro's number, and it is the number of particles in a mole of any element or compound .

Of course the mass of a mole will vary according to the substance:
A mole of hydrogen gas #H_2# will have a mass of only 2 grams, while a mole of glucose #C_6H_12O_6# will have a mass of 180 grams. Starch molecules may run into the 10000s of grams per mole.
But they all have the same number of particles (atoms, molecules) in 1 mole.

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