3 Cu(s) + 8 HNO3(aq) + 3 Cu(NO3)2(aq) + 2NO(9) + 4H20() c) If 5.58 g of copper(II) nitrate, Cu(NO3)2, is eventually obtained, ho
w many moles of nitric acid, HNO3, were used in the experiment?
1 answer:
Answer:
0.0793 mol.
Explanation:
Refer to a modern periodic table for relative atomic mass data:
- Cu: 63.546;
- N: 14.007;
- O: 15.999.
Formula mass of copper(II) nitrate,
:
.
Number of moles of copper(II) nitrate produced:
.
The ratio between the coefficient of
and that of
in the balanced equation is:
.
In other words,
.
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