The atomic weight of two elements a and b
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the atomic mass of two elements A and B are 20 and 40 respectively if Xg of A contains Y atoms how many atoms are present in 2Xg of B
Asked by admin @ in Chemistry viewed by 356 People
the atomic mass of two elements A and B are 20 and 40 respectively if Xg of A contains Y atoms how many atoms are present in 2Xg of B
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