Question

In: Chemistry

Carbon disulfide, CS2, can be obtained from coke (C) and sufur dioxide (SO2): 3C + 2...

Carbon disulfide, CS2, can be obtained from coke (C) and sufur dioxide (SO2): 3C + 2 SO2 CS2 + CO2 If the actual yield is 78.9% of the theoretical yield, what mass of coke is needed to produce 786 g of CS2?

Solutions

Expert Solution

percentage yield   = actual yield/theoritical yield

theoritical yield     = actual yield/percentage yield

                              = 786/0.789    = 996.19g                             

3C + 2 SO2---------------> CS2 + CO2

1 mole of CS2 to produced from 3 moles of C

76g of CS2 to produced from 3*12g of C

996.19g of CS2 to produced from = 3*12*996.19/76    = 471.879g of C


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