calculate the theoretical yield of sodium sulphide.?

45.0 g of sodium chloride is reacted with iron ii sulphide. you end up collecting 20.0 g of sodium sulphide. calculate the theoretical yield of sodium sulphide.

2NaCl(aq) + FeS(aq) ------>  Na2S(s) + FeCl2(aq)

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  • 1 month ago

    Supposing the FeS is in excess:

    (45.0 g NaCl) / (58.4430 g NaCl/mol) x (1 mol Na2S / 2 mol NaCl) x

    (78.0445 g Na2S/mol) = 30.0 g Na2S in theory

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