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The solubility product constant of a metal carbonate MCO_(3) is 2 xx 10^(-12) at 25^(@)C. A solution is 0.1 M in M(NO_(3))_(2) and it is saturated with 0.01 M CO_(3). Also the ionization constant of CO_(2) are : K_(a_(1)) = 4 xx 10^(-7) and K_(a_(2)) = 5 xx 10^(-11) at 25^(@)C. The minimum pH that must be maintained to start any precipitation is |
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