How many atoms are there in 6.90 moles of sulfur (S)?

Calculate the molar mass of a compound if 0.411 mole of it has a mass of 185 g.

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Or information on how to?

2 answers

(a) Multiply the number of moles by 6.02x10^23 atoms/ mole.

(b) If you divide grams by moles you get grams/mole, the atomic mass.
Correction:
(b) If you divide grams by moles you get grams/mole, the molar mass.

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