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Quiz 3
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Find the Vapour pressure of Component A and B
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20 mm , 28.5 mm
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11 mm, 37.5 mm
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19 mm., 29.5 mm
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None of these
Find the mole fraction of Component A and B in vapour form
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.433, .567
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.226, .774
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.5 , .5
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.6 , .4
Link Comprehension type Two elements A & B form compounds having formula $AB_2$ & $AB_4$. When dissolved in 20 g of benzene; 1 g of $AB_2$ lowers the freezing point by 2.3 K. Whereas 1 g of $AB_4$ lowers it by 1.3 K. $K_f$ for benzene is 5.1 K. Kg/mol. The atomic mass of element A is
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22.6 u
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42.6 u
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41.6 u
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25.59 u
The atomic mass of element B is
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22.6 u
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12.6 u
0%
42.6 u
0%
15.59 u
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