Question

17. Enthalpy of solution of BaCl, and BaCl2H20 are
-x and y kJ/mol respectively. The enthalpy of
hydration of BaCl, to BaCl2.2H2O is
(1) (x - y) kJ
(2) (y - x) kJ
(3) -(x + y) kJ
(4) (x + y) kJ​

Answer 1

Answer:

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