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5983 asked in Science & MathematicsChemistry · 1 decade ago

What volume of a 0.160 M Li2S solution is required to completely react with 125 mL of 0.160 M Co(NO3)2?

A solution concentration and solution stoichiometry question.

Consider the following reaction:

Li2S(aq) + Co(NO3)2(aq) --> 2LiNO3(aq) + CoS(s)

1 Answer

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  • Dr.A
    Lv 7
    1 decade ago
    Favorite Answer

    Moles Co(NO3)2 = 0.125 L x 0.160 M =0.0200

    = moles Li2S

    V = 0.0200 / 0.160 =0.125 L => 125 mL

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