Asked by science
What mass of a 65 gram piece of chalcocite (Cu2S) is copper?
What is the mass of aluminum in 75 g of Al2O3?
What is the mass of aluminum in 75 g of Al2O3?
Answers
Answered by
oobleck
Cu2S has a molar mass of 159.16
Cu has a mass of 63.55
2*63.55/159.16 * 65g = 51.9 g
Do the other in like wise
Cu has a mass of 63.55
2*63.55/159.16 * 65g = 51.9 g
Do the other in like wise
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