Explain the concentration of h is found to be

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A solution containing both Mn2+ and Cd 2+ is saturated with H2S gas, after which the concentration of H is found to be .30 M. will the sulfides of these ions form a precipitate under these conditions? calculate the maximum concentration of Cd2+, Mn2+ that will remain in the solution

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Explain the concentration of h is found to be : A solution containing both Mn2+ and Cd 2+ is saturated with H2S gas, after which the concentration of H is found to be .30 M. will the sulfides of these ions form a precipitate under these conditions
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