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CHEM, please help!

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What pH buffer solution is needed to give a Ni2+ concentration of 2.5 x 10-3M in equilibrium with solid nickel hydroxide Ni(OH)2? Ksp = 6.0 x 10-16.

  • CHEM, please help! - ,

    Ksp = (Ni^2+)(OH^-)^2
    Substitute Ni from the problem into the Ksp expression and solve for Oh^-, then convert this to pH.

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