Asked by Chem
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.
Know of any good sites that help answer these ?
Or information on how to?
Calculate the molar mass of a compound if 0.411 mole of it has a mass of 185 g.
Know of any good sites that help answer these ?
Or information on how to?
Answers
Answered by
GK
(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.
Answered by
GK
<b>Correction:</b>
(b) If you divide grams by moles you get grams/mole, the <b>molar</b> mass.
<b>Comment:</b> No web page makes a good substitute for your chemistry class and your chemistry textbook.
(b) If you divide grams by moles you get grams/mole, the <b>molar</b> mass.
<b>Comment:</b> No web page makes a good substitute for your chemistry class and your chemistry textbook.
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