6g carbon is heated with 12g sulphur . how much carbon disulphid will be formed when reaction is complete
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Explanation:
C+2s→CS
2
12g2∗3212+2∗32
=64g=76g
Obviously sulphur will be the limiting reactant.
8g sulphur will produce CS
2
=
64
76
∗8=9⋅5g
Carbon reacted =
64
12
∗8=1⋅5g
Carbon left = 4−1⋅5=2⋅5g
Total mass products = 9⋅5+2⋅5=12g
∴ % purity of CS
2
in the product =
12
9⋅5
∗100
79⋅2%
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