The equivalent weight of an element is 25. If its specific heat is 0.085 cal/K-g, its exact atomic m

Question

The equivalent weight of an element is 25. If its specific heat is 0.085 cal/K-g, its exact atomic mass should be

Accepted Answer

Approximate atomic mass = $\frac{6.4}{0.085} = 75.29$.

Now, Valency = $\frac{\text{Atomic mass}}{\text{Equivalent mass}} \approx \frac{75.29}{25} \approx 3\ \left( \text{integer} \right)$.

∴ Exact atomic mass$= 25 \times 3 = 75$.

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