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NCERT Class XI Chemistry States of Matter Solutions

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Question : 14 of 23
Marks: +1, -0
How much time would it take to distribute one Avogadro number of wheat grains, if 101010^{10} grains are distributed each second?
Solution:  
Time taken to distribute 101010^{10} grains = 1 sec.
Time taken to distribute 6.023 × 102310^{23} grains = 1×6.022×10231010\frac{1 \times 6.022 \times 10^{23}}{10^{10}} = 6.022 × 101310^{13} sec
= 6.022×101360×60×24×365\frac{6.022 \times 10^{13}}{60 \times 60 \times 24 \times 365} = 1.90956 × 10610^6 years
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