Answer to Question #114238 in General Chemistry for Daniel

Question #114238
If 1.000 x 10^23 atoms of copper reacted with nitric acid, how many grams of water would be produced?
1
Expert's answer
2020-05-06T13:58:04-0400

4HNO3(l)+Cu(s)Cu(NO3)2(aq)+2NO2(g)+2H2O(l)4HNO_3(l)+Cu(s) \rightarrow Cu(NO_3)_2(aq) + 2NO_2(g)+2H_2O(l)

Convert number of atoms of copper to moles

1.000×1023(1mole6.022×1023)=0.16606moles1.000\times 10^{23} (\frac{1 mole}{6.022\times10^{23}})=0.16606 moles

Convert moles of copper to moles of water:


0.16606molesCu(2molesH2O1molesCu)=0.33212molesH2O0.16606 moles Cu (\frac{2 moles H_2O}{1 moles Cu})=0.33212 moles H_2O


Convert moles of water to mass of water


0.33212molesH2O(18.0.15gH2O1moleH2O)=5.983gH2O0.33212 moles H_2O (\frac{18.0.15 g H_2O}{1 mole H_2O})= 5.983 g H_2O



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