Q98353
Solution:
Given, "Q=267.1J;s_{gold}=0.129J\/g\u2070C"
"T_i =25.0\u2070C;T_f=45.3\u2070C"
"\\implies \\Delta T =45.3-25=18.3\u2070C"
"Q=ms\\Delta T"
"\\implies m=Q\/(s\\Delta T)"
"=267.1\/(0.129*18.3)"
"=113.144gms." (Answer)
Thus, mass of gold in the sample is "113.144gms."
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