111. Solving a chemistry problem
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Product description
Can zinc sulfide be precipitated by the action of sodium sulfide on a solution of zinc chloride at pH=2? Confirm your answer by calculating the corresponding equilibrium constant. Reference values: PR(ZnS)=2.5*10-22; K1dis(H2S)=1.0*10-7; K2dis(H2S)=1.2*10-13.
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