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Insulin contains 3.4% sulphur.Then the minimum molecular mass of the insulin is about

$\begin{array}{1 1}(a)\;940amu&(b)\;9400amu\\(c)\;3600amu&(d)\;970amu\end{array}$

2 Answers

3.4g sulphur is present in 100g insulin.
$\therefore$ 32g sulphur will be present in $\large\frac{100}{34}$$\times 32g$
Insulin=940
$\therefore$ Molar mass of insulin is about 940amu.
Hence (a) is the correct answer.
answered Oct 22, 2013 by sreemathi.v
 
3.4 gram sulphur is present in 100g insulin 32g sulphur will be present in (100/34)* 32 insulin= 940 Molecular mass of insulin is about 940 amu
answered Feb 1 by meenapooja656
 

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