Recent content by dawg_pound94

  1. D

    Why wash a precipitate with ethanol after precipitation reaction?

    I'm doing a chemistry experiment at school which reacts NaI(aq) + Pb(NO3)2 to form PbI2(s) + NaNO3 In the procedure, after i filter the resulting solution through filter paper I'm supposed to wash the precipitate in the filter funnel and allow it to drain. Why is ethanol used?
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