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Some Basic Concepts of Chemistry
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10/08/2021 10:48 am
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The percentage of Se in peroxidase anhydrous enzyme is 0.5% by weight (atomic weight = 78.4). Then minimum molecular weight of peroxidase anhydrous enzyme is
(a) 1.568 × 103
(b) 1.568 × 104
(c) 15.68
(d) 3.136 × 104
1 Answer
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10/08/2021 10:51 am
Answer is: (b) 1.568 × 104
Explanation:
0.5% by weight means if Mol. wt. is 100 then mass of Se is 0.5. If at least one atom of Se is present in the molecule then
M. Wt = \(\frac{100}{0.5}\)x 78.4
= 1.568 × 104