Two elements A and B form compounds having formula AB, and AB. When
dissolved in 20 g of benzene (CH), 1 g of AB, lowers the freezing point by
2.3 K whereas 1.0 g of AB, lowers it by 1.3 K. The molar depression constant
for benzene is 5.1 K kg mol. Calculate atomic masses of A and B.
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Two elements A and B form compounds having formula AB2 and AB4. ... Two elements A and B form compounds having formula AB2 and AB4. When dissolved in 20 g of benzene (C6H6), 1 g of AB2 lowers the freezing point by 2.3 Kwhereas 1.0 g of AB4 lowers it by 1.3 K.
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