Answer: The mass percent of copper in \(CuBr_2\) is 28.45 %.
Explanation:
In \(CuBr_2\), there are 1 copper atom and 2 bromine atoms.
To calculate the mass percent of element in a given compound, we use the formula:
\(\text{Mass percent of copper}=\frac{\text{Mass of copper}}{\text{Molar mass of copper bromide}}\times 100\)
Mass of copper= 63.54 g
Mass of copper bromide = 223.37 g
Putting values in above equation, we get:
\(\text{Mass percent of copper}=\frac{63.54}{223.37}\times 100=28.45\%\)
Hence, the mass percent of copper in copper bromide is 28.45 %.
