Asked by veer
the atomic wt. of two elements A and B are 40 u and 80 u respectively. if x g of A contains y atoms, how many atoms are present in 2x g of B?
Answers
Answered by
DrBob222
Reason this out.
mols = grams/atomic mass
mols A = x/40
mols B = 2x/80 = x/40
Since there are the same number of mols of A and B there must be the same number of atoms of A and B. Therefore, since A contains y atoms then B must contain y atoms.
mols = grams/atomic mass
mols A = x/40
mols B = 2x/80 = x/40
Since there are the same number of mols of A and B there must be the same number of atoms of A and B. Therefore, since A contains y atoms then B must contain y atoms.
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