Use the vapour pressures (at 0 °C) of the pure substances below to answer the following...

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Chemistry

Use the vapour pressures (at 0 °C) of the pure substances belowto answer the following questions.

SubstanceP* (kPa)
cis-1-bromopropene (C3H5Br)9.49
3-methyl-1-pentene (C6H12)12





1. Determine the partial pressure (in kPa) of 3-methyl-1-pentene(C6H12) in the vapour phase (at 0 °C) over asolution for which the mole fraction of cis-1-bromopropene(C3H5Br) is 0.512. Report your answer tothree significant figures in scientific notation.


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2. A solution of cis-1-bromopropene (C3H5Br)and 3-methyl-1-pentene (C6H12) is prepared byadding 5.69 g of cis-1-bromopropene to 7.25 g of3-methyl-1-pentene. Determine the mole fraction ofcis-1-bromopropene in the vapor phase (at 0 °C). Report your answerto three significant figures in scientific notation.

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