How many grams do 5.8×10 24 atoms of argon

weigh?
Answer in units of g

2 answers

Molar mass of Ar = 39.948 g/mol according to convertunits. com

a mole is equal to 6.022 * 10^23

therefore, 5.8 * 10^24 / 6.022 * 10^23 * 39.948 is your weight.
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