Chemistry: When copper metal is added to silver nitrate in solution, silver metal & copper (ii) nitrate are produced. what mass of silver is produced from 100 g cu?

When copper metal is added to silver nitrate

Ответ:

brebob3339

09.01.2022

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

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

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

$\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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Ответ:

cookies1164

28.05.2021

Chemistry

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Explanation:

you hve to study

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When copper metal is added to silver nitrate in solution, silver metal & copper (ii) nitrate are produced. what mass of silver is produced from 100 g cu?

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