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Twoelements A and B form compounds having formula AB2and AB4.When dissolved in 20 g of benzene (C6H6),1 g of AB2lowers the freezing point by 2.3 Kwhereas 1.0 g of AB4lowers it by 1.3 K.The molar depression constant for benzene is 5.1 Kkg mol−1.Calculate atomic masses of A and B. |
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Answer» Two |
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