Question

Insulin contains 3.4% sulphur.The minimum mol weight of insulin is :

Answer 1

Minimum mol mass means atleast 1 atom of S is must be present.

∵ When S present 3.4 g then mass = 100 g
∴ when S present is 32 g then mass = 100/ 3.4  * 32
                                                           = 941.17 g/mol