If it requires one second to count four wheat grains, calculate the time in years to count one mole of wheat grains. 

4 views

1 Answers

4 wheat grains are counted in 1 sec.

6.023 x 1023 wheat grains are counted in 6.023 x 1023/ 4 sec

= 6.023 x 1023/ 4 x 60 x 60 x 24 x 365 year

= 4.77 x 1015 year

4 views