25. The number of atoms in 20 g of So3 is approximately
(1) 1 x 1023
(2) 1.5 1023
(3)2*10*23
(4) 6 x 1023
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The number of atoms in 20 g of So3 is approximately2*10*23
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The number of atoms in 20 g of So3 is approximately2*10*23
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