1.If n atoms of element A weigh 15 g and 4 n atoms ofelement B whose a – InterviewSolution

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1.	1.If n atoms of element A weigh 15 g and 4 n atoms ofelement B whose atomic weight is 30 u, weigh 45 g,determine the atomic weight of A.(2) 40 u
Answer» n atoms of A weigh = 15gnA =15g ( 1)4n atoms of B weigh = 45gatomic weight of B = 304n*30=45 n =3/8substituting value in 13/8A =15A =40u

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