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maxonik [38]
3 years ago
11

When copper metal is added to silver nitrate in solution, silver metal & copper (ii) nitrate are produced. What mass of silv

er is produced from 100 g Cu?
Chemistry
1 answer:
Harrizon [31]3 years ago
6 0

Answer:

\large \boxed{\text{339 g}}

Explanation:

We will need a balanced chemical equation with masses and molar masses, so, let's gather all the information in one place.

MM:   63.55                                        107.87

           Cu + 2AgNO₃ ⟶  Cu(NO₃)₂ + 2Ag

m/g:    100

(a) Moles of Cu

\text{Moles of Cu} = \text{100 g Cu }\times \dfrac{\text{1 mol Cu}}{\text{63.55 g Cu}}= \text{1.574 mol Cu}

(b) Moles of Ag

\text{Moles of Ag} = \text{1.574 mol Cu} \times \dfrac{\text{2 mol Ag}}{\text{1 mol Cu}} = \text{3.147 mol Ag}

(c) Mass of Ag

\text{Mass of Ag} =\text{3.147 mol Ag} \times \dfrac{\text{107.87 g Ag}}{\text{1 mol Ag}} = \textbf{339 g Ag}\\\\\text{The reaction produces $\large \boxed{\textbf{339 g}}$ of Ag}

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