Question

Calculate free energy when 1 mole of an ionic
salt MX (s) is dissolved in water at 25°C. Given
Lattice energy of MX = 780 kJ mol-1
Hydration energy of MX = -775.0 kJ mol-1
Entropy change of dissolution at 25°C = 45 J
mol-1 K-1
(1) -8.41 kJ/mol
(2) -84.1 kJ/mol
(3) +8.41 kJ/mol
(4) +84.1 kJ/mol​

Answer 1

the answer is...... +8.41 KJ/mol

Answer 2

Answer:

3 is a answer

Explanation:

it's helpful to you!