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The equivalent weight of chlorine is 35....

The equivalent weight of chlorine is `35.5` and the equivalent weight of copper chloride is `99.5`. Find the formula of copper chloride if the atomic weight of Cu is `63.5`.

Text Solution

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The equivalent weight of chlorine is given as equal to `35.5` which is also its atomic weight. The valency of Cl is thus 1.
Equivalent weight of copper
=eq. wt. of copper chloride - eq. wt. of chlorine
`=99.5 - 35.5 = 64`
The equivalent weight of Cu is 64 which is approximately equal to its given atomic weight, i.e., `63.5`, showing that valency of Cu is also 1. Hence the formula for copper chloride is `CuCl`.
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