1.

5 moles of AB_(2) weigh 125xx10^(-3) kg and 10 moles of A_(2)B_(2) weigh 300xx10^(-3) kg. The molar mass of A(M_(A)) and molar mass of B(M_(B) in kg mol_(-1) are :

Answer»

`M_(A) = 50xx10^(-3) and M_(B) = 25xx10^(-3)`
`M_(A) = 25xx10^(-3) andM_(B) = 50xx10^(-3)`
`M_(A) = 5xx10^(-3) and M_(B) = 10xx10^(-3)`
`M_(A) = 10xx10^(-3) andM_(B) = 5xx10^(-3)`

ANSWER :C


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