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[" 30.Two elements "A" and "B" form comp...

[" 30.Two elements "A" and "B" form compounds "],[" having formula "AB_(2)" and "AB_(4)" .When "],[" dissolved in "20g" of benzene "(C_(6)H_(6)),1g],[" of "AB_(2)" lowers the freezing point by "2.3K" ,"],[" whereas "1.0g" of "AB_(4)" lowers it by "1.3K" ,"],[" The molal depression constant for "],[" benzene is "5.1Kkgmol^(-1)" ."]

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Two elements A and B form compounds having formula AB_(2) and AB_(4) . When dissolved in 20 g of benzene ( C_(6)H_(6) ) , 1g of AB_(2) lowers the freezing point by 2.3 K whereas 1.0 g of AB_(4) lowers it by 1.3 K . The molar depression constant for benzene is 5.1 K kg mol^(-1) . Calculate atomic masses of A and B.

Two elements A and B from compounds having formula "AB"_(2) and "AB"_(4) . When dissolved in 20g of Benzene (C_(6)H_(6)) , 1g of "AB"_(2) lowers the freezing point by 2.3 K whereas 1.0g of "AB"_(4) lowers it by 1.3 K. The molar depression constant for benzene is 5.1 K kg "mol"^(-1) . Calculate atomic masses of A and B.

Two elements A and B form compounds having formula AB_(2) and AB_(4) .When dissolved in 20g of benzene (C_(6)H_(6)) , 1g of AB_(2) lowers the freezing point by 2.3K whereas 1.0g of AB_(4) lowers it by 1.3K .The molar depression constant for benzene is 5.1Kkgmol .Calculate atomic masses of A and B .

Two elements A and B form compounds having molecular formula AB_(2) and AB_(4) . When dissolved in 20 g of benzene, 1 g of AB_(2) lowers the freezing point by 2.3 K , whereas 1.0 g of AB_(4) lowers it by 1.3 K . The molar depression constant for benzene is 5.1 K kg mol^(-1) . Calculate the atomic mass of A and B .

Two elements A and B form compounds having molecular formula AB_(2) and AB_(4) . When dissolved in 20 g of benzene, 1 g of AB_(2) lowers the freezing point by 2.3 K , whereas 1.0 g of AB_(4) lowers it by 1.3 K . The molar depression constant for benzene is 5.1 K kg mol^(-1) . Calculate the atomic mass of A and B .

Two elements A and B form compounds having molecular formula AB_(2) and AB_(4) . When dissolved in 20 g of benzene, 1 g of AB_(2) lowers the freezing point by 2.3 K , whereas 1.0 g of AB_(4) lowers it by 1.3 K . The molar depression constant for benzene is 5.1 K kg mol^(-1) . Calculate the atomic mass of A and B .

Two elements A and B form compounds having formula AB_2 and AB_4 . When dissolved in 20 g of benzene (C_6H_6) , 1 g of AB_2 lowers the freezing point by 2.3 K whereas 1.0 g of AB_4 lowers it by 1.3 K. The molar depression constant for benzene is 5.1 K kg mol^-1 . Calculate atomic masses of A and B.