Question

A solution is prepared by complete dissolving a solid mixture of NaOH and Mg(OH)2
resulting solution, which of the following conditions must be satisfied ?
(A) [Na+] = [Mg2+] = [OH-]
(B) [Na+] = [Mg2+] = 3[OH-]
(C) [Na+] + 2[Mg2+] = [OH-]
(D) [Na+] + [Mg2+] = [OH-]

Answer 1

Explanation:

(D) [Na+] +[Mg2+] =[OH-]