Q.

Aluminium reacts with sulphur to form aluminium sulphide. If 31.9 g of Al are reacted with 72.2 g of S, what is the theoretical Yield of aluminium sulphide in grams?

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a

57.2 g

b

69.7 g

c

88.6 g

d

113 g

answer is A.

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Detailed Solution

In the given reaction,

2Al+3SAl2S3

n=31.927 72.232

 (LR) =31.927×1502 =88.6 g

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Aluminium reacts with sulphur to form aluminium sulphide. If 31.9 g of Al are reacted with 72.2 g of S, what is the theoretical Yield of aluminium sulphide in grams?