1.

Insulin contains 3.4% sulphur. What will be the minimum molecular weigh of insulin?

Answer»

94.117
1884
941.176
`-976`

Solution :c) For minimum MOLECULAR MASS, there mus tbe one S-atom PER insulin molecule
If 3.4 g of S is present, the molecular mass = 100
`THEREFORE` if 32 g of S is present, the molecular mass will be
`=(100 xx 32)/(3.4) = 941.176


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