Which 1 m solution would have the highest vapor pressure at a given temperature?

Asked by maham237 @ in Chemistry viewed by 438 People

Which 1 m solution would have the highest vapor pressure at a given temperature? view available hint(s) which 1 solution would have the highest vapor pressure at a given temperature? li2so4 c6h12o6 nac2h3o2 kcl?

Answered by maham237 @


First, we have to know that: The vapor pressure depends on the number of moles of the particles as the lower the number of moles of the particles in the solute, the higher the vapor pressure.
So,
1- Li2So4 has 2mol Li + 1Mol So4 = 3 mol solute.
2- C6H12O6 has 1mol solute (It stays as a single molecule)
3- NaC2H3O2 has 1mol Na + 1 mol C2H3O2 = 2 mol solute
4- KCl has 1mol K + 1 mol Cl = 2 mol solute
So your answer is C6H12O6 (glucose) because it has the lowest no.of moles of particles in solute so, it has the highest vapor pressure.

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