How much energy is required (in kJ) to remove unit concentrations Calcium sulfate and Magnesium sulfate salts from water?

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Carlos Araújo Queiroz

Thermochemical data on the heat (i.e. enthalpy) of (aq.) solution for calcium and magnesium sulphates can be retrieved from (e.g.): R.H. Perry, D.W. Green, J.O. Maloney (Eds.), "Perry's Chemical Engineers’ Handbook", 7th ed., McGraw-Hill, 1997, Table 2-224; or from other ed. of Perry's Handbook.

Salim Aliraja

use the eqn for Ca2+ becoming Ca . 2 moles of e are required for 1 mole removal. calculate the energy using E = eV

Shahul Hameed

Thank you for valuable information.