Asked by Angel
The density of copper is 8.96 g cm^−3 and its molar
mass is 64 g mol^−1.
The mass of an atom of copper is 1.1*10^-22 g
Determine the number of copper atoms per
cubic metre.
mass is 64 g mol^−1.
The mass of an atom of copper is 1.1*10^-22 g
Determine the number of copper atoms per
cubic metre.
Answers
Answered by
Steve
1m^3 * 10^6cm^3/m^3 * 8.96g/cm^3 * 1atom/(1.1*10^-22 g) = ? atoms
the molar mass does not come into play
the molar mass does not come into play
Answered by
Angel
Thank you! I realized my problem was that I didn't convert g/cm^3 to g/m^3 correctly
Answered by
Bob
The density of copper is 8.96 g cm^−3 and its molar
mass is 64 g mol^−1.
mass is 64 g mol^−1.
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