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Grade: 11

                        

One atom of an element X weighs 6664 x 10-23 gm. The number of gram atoms in 40 kg of it

2 years ago

Answers : (1)

Arun
24730 Points
							
 
 
Weight of 1 atom of element = 6.664 x 10-23  g
Weight of 6.023 X 1023 atoms of elements =  6.664 x 10-23 x 6.023 X 1023 = 40 g
40 g of elements =  1 g- atom
40 x 103 g of element = 40 x 103 /40 g  = 103g-atom
2 years ago
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