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Answer to Question #153761 in General Chemistry for Morayo
Question #153761
What is the amount of gold present in 15.5g of a pure gold wedding ring(Au=197)
Expert's answer
Molar mass of "Au=197g\/mol"
"\\therefore 15.5gAu" contains;
"15.5g\\over 197g\/mol" "=0.079mol Au"
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