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A 75.0mL sample of 1.56×10−2M Na2SO4(aq) is added to 75.0mL of 1.22×10−2M of Ca(NO3)2(aq).

What percentage of the Ca+ remains unprecipitated?

  • chem -

    A 75.0mL sample of 1.48×10−2M Na2SO4(aq) is added to 75.0mL of 1.28×10−2M of Ca(NO3)2(aq).

    What percentage of the remains unprecipitated?
    Express your answer using two significant figures.

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