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Calculate the number of molecules of hydrogen and carbon present in 4g of methane
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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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Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h
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Calculate the number of molecules of hydrogen and carbon present in 4g of methane...
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