Difficult
Hemoglobin contains $0.34 \%$ of iron by mass. The number of $Fe$ atoms in $3.3 \ g$ of hemoglobin is. (Given : Atomic mass of $Fe$ is $56 \ u, N_A = 6.022 \times 10^{23} \ mol^{-1}$)
- A$1.21 \times 10^{5}$
- B$12.0 \times 10^{16}$
- C$1.21 \times 10^{20}$
- D$3.4 \times 10^{22}$
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Arrange the following compounds in the increasing order of percentage of chlorine by weight:
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$II.$ Gammaxene $(C_6H_6Cl_6)$
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$I.$ $DDT$ $(C_{14}H_9Cl_5)$
$II.$ Gammaxene $(C_6H_6Cl_6)$
$III.$ Carbon tetrachloride $(CCl_4)$
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Difficult
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View Solution$A$ compound contains $2.8\%$ $Fe$ by mass. If the compound contains a single $Fe$ atom in its one molecule,then the molar mass $(g/mol)$ of the compound is $(Fe = 56\, amu)$.
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