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Calculate the mass of a non-volatile solute (molar mass $40 g mol^{−1}$), which should be dissolved in 114 g of octane to reduce its vapour pressure to 80%. (Molar mass of octane = 114 $g mol^{−1}$)

1 Answer

10g
Hence (B) is the correct answer.
answered Jun 10, 2014 by sreemathi.v
 
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