What is the density of sample?
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Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
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Chemistry, 23.06.2019 05:00
How many atomic mass units are equal to 1.672×10−24 g of protons?
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