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Chemistry
Amari Rojas
12 October, 08:54
What is the mass of 3.50*10^26 atoms of copper
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Araceli Ortega
12 October, 10:22
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The atomic mass of Cu is 63.546 atomic mass units (A. M. U)
So,
mass of 3.5*10^26 atoms of Cu
=63.546*3.5*10^26
= 222.411*10^26 A. M. U
=222.411*10^26*1.66*10^ (-24) gram
= 369.20226*10^2 gram Ans!
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