Mole ConceptHard
Question
A sample of protein was analysed for metal content and analysis revealed that it contained magnesium and titanium in equal amounts, by mass. If these are the only metallic species present in the protein and it contains 0.016% metal, by mass, the minimum possible molar mass of the protein is (Mg = 24, Ti = 48)
Options
A.6,00,000
B.1,50,000
C.3,00,000
D.12,00,000
Solution
$\text{From Mg,}{M\frac{100}{0.08}}_{\min}$
$\text{From Ti,}{M\frac{100}{0.08}}_{\min}$
If M = 300000, the number of Ti-atoms in each molecule =$\frac{1}{2}$, which is not possible.
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