the atomic weight of two element A and B 40 and 80 respecticely. if x g of A contain y atoms. how many atoms are present in 2xg of B.? a) y/2 b) y/4 c) y d) 2y .. i know the answer.. but dont know explain ..so plz..explain step by step..ans : c) y
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on solving of x we get the value of x = y.
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Answer:
A weight 40
B weight 80
xg= NA+ yg
2xg= NB + 2yg
ans =y
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