Answer
157 kJ/mol.
Work Step by Step
Enthalpy of solution is given by
$\Delta_{r}H_{solution}=-lattice\,energy+ total\, enthalpy\,of\, hydration\,of\,ions$
$=-(-1984\,kJ/mol)+(-1827\,kJ/mol)$
$=157\,kJ/mol$
Chemistry: The Molecular Science (5th Edition)
by Moore, John W.; Stanitski, Conrad L.
Published by
Cengage Learning
ISBN 10:
1285199049
ISBN 13:
978-1-28519-904-7
Chapter 13 - The Chemistry of Solutes and Solutions - Questions for Review and Thought - Topical Questions - Page 605b: 24
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