Periodic Table and PeriodicitymediumNUMERICAL

If heat of solution for AB(s) is -0.95 x 10^x kcal/mol and lattice energy for AB(s) is 700 kcal/mol Periodic Table and Periodicity Chemistry Question

Question

If heat of solution for AB(s) is -0.95 x 10^x kcal/mol and lattice energy for AB(s) is 700 kcal/mol and hydration energy for A+(g) is -1000 kcal/mol and B-(g) is -650 kcal/mol then calculate value of x.

Answer: 3

💡 Solution & Explanation

-0.95 x 10^x = 700 - 1000 - 650 = -950 => x = 3

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