Q.
The number of hydrogen atoms present in 25.6 g of sucrose C12H22O11which has a molar mass of 342.3 g is
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a
22×1023
b
9.91×1023
c
11×1023
d
44×1023 H atoms
answer is B.
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Detailed Solution
No. of moles of sucrose =25.6342.3=0.0751 mole of sucrose contains 22×6.023×1023 of H-atom 0.075 moles of sucrose contain=9.91×1023 of H-atoms.
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