Solved papers for JEE Main & Advanced JEE Main Solved Paper-2015

done JEE Main Solved Paper-2015 Total Questions - 1

• question_answer1) The vapour pressure of acetone at 200C is 185 torr. When 1.2 g of a non ? volatile substance was dissolved in 100 g of acetone at 200C, its vapour pressure was 183 torr. The molar mass (g mol?1) of the substance is [JEE Main Solved Paper-2015 ]
  A)
  128                                        
  done clear
  B)
  488
  done clear
  C)
  32                                          
  done clear
  D)
  64
  done clear
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