Dibasic calcium phosphate (CaHP0_4) has limited solubility in water with solubil

Question

Dibasic calcium phosphate (CaHP0_4) has limited solubility in water with solubility product of K_spCaHPO_4 = 7-23 times l0^-7. Taking into account ionic interactions, what will be the concentration of Ca^2+ ions in the solution saturated with CaHP0_4 after 2.5 times l0^-3 m magnesium chloride (MgCh) is dissolved in the same solution? Assume that: MgCl_2 is a strong electrolyte and is very soluble in water; Use the minimal effort calculation sufficient for accurate description. Explain your choice. Ignore possible side reactions (i.e. Mg^2+ (aq) + HPO^2-_4 (aq) MgHPO_4, acid dissociation etc.) What will change if CaCl_2 is added instead of MgCl_2 in the same amount? Why?

Explanation / Answer

Dibasic calcium phosphate (CaHP0_4) has limited solubility in water with solubil

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