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For each of the following sparingly-soluble salts in water, will the solubility of the salt increase, decrease, or stay the same if H30+, OH-, or NaCI is added to the equilibrium mixtures? (a) Be(OH)2(s) - Be2+(aq) + 2 OH (I) H30+ increase decrease stay the same -(aq) (ii) OH- increase decrease stay the same (iii) NaCI increase decrease stay the same (b) ZnCO3(s) = Zn2+(aq) + C032-(aq) (i) H30+ increase decrease stay the same (ii) OH- increase decrease stay the same (iii) NaCI increase decrease stay the same