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1. The chemical formula of the copper nitrate.
2. The number of carbon atoms in 1g of \(CaCO_3\) is
Answer variants:
\(6.022\) × \(10^2{^1}\)
\(Co(NO_3)_2\)
\(6.023\) × \(10^2{^3}\)
\(Cu(NO_3)_2\)
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