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#11 |
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A solution contains Mn2+-ions 0.20 mol/L and HCl 0.040 mol/L. The solution is saturated with H2S: [H2S] = 0.10 mol/L. Will there be a precipitation of MnS? The solubility product of MnS is 3.0x10-14.
a |
Under which condition a precipitation of MnS will be formed? |
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b |
What is the value of [Mn2+]? |
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c |
The concentration of [S2-] is determined by the pH. Write the formula. |
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d |
Calculate [S2-]. |
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e |
Will there be a precipitation of MnS? |
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