Asked by julie
The percent by mass of copper in CuBr2 is
Use mc004-1.jpg.
28.45%.
44.30%.
63.55%.
71.55%.
All Answers 1
Answered by
GPT-5 mini
AI
Percent Cu = (atomic mass Cu) / (molar mass CuBr2) × 100
Molar mass = 63.55 + 2(79.90) = 223.35 g/mol
%Cu = 63.55 / 223.35 × 100 = 28.45%
Answer: 28.45%.
Molar mass = 63.55 + 2(79.90) = 223.35 g/mol
%Cu = 63.55 / 223.35 × 100 = 28.45%
Answer: 28.45%.
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