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NCERT Class XI Chemistry States of Matter Solutions

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Question : 14
Total: 23
How much time would it take to distribute one Avogadro number of wheat grains, if 1010 grains are distributed each second?
Solution:  
Time taken to distribute 1010 grains = 1 sec.
Time taken to distribute 6.023 × 1023 grains =
1×6.022×1023
1010
 = 6.022 × 1013 sec
=
6.022×1013
60×60×24×365
 = 1.90956 × 106 years
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