Ca²⁺ is expected to have a greater energy of hydration than K⁺.

Name: Ca 2+ is expected to have a greater energy of hydration than K + .
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Quizplus · Accepted Answer

Ca2+ has a higher charge density than K+ and can attract more water molecules, leading to a greater energy of hydration. Additionally, the larger size of Ca2+ compared to K+ allows for a greater number of water molecules to be attracted, further increasing the energy of hydration.

Ca2+ Is Expected to Have a Greater Energy of Hydration

Ca²⁺ Is Expected to Have a Greater Energy of Hydration