A) 1.25 ´ 10?4/°C
B) 12.5 ´ 10?4/°C
C) 1.25 ´ 10?5/°C
D) None of these
Correct Answer: A
Solution :
\[{{\gamma }_{\text{app}\text{.}}}=\frac{\text{Mass expelled}}{\text{Mass remained}\times \text{ }\Delta T}\] \[=\frac{x/100}{x\times 80}=\frac{1}{8000}=1.25\times {{10}^{-4}}/{}^\circ C\]
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