Vapor pressure in solutions

question 1

Given the aqueous solutions of the same molar concentration, which have the following solutes:

I. Ç₆H₁₂O₆

II. Ç₆H₈O₆

III. KNO₃

IV. Ç₆₃H₈₈Con₁₄O₁₄P

V. NaCl

The solutions that have the lowest vapor pressure are, respectively:

a) I and II.

b) III and IV.

c) III and V.

d) II and V.

e) I and IV.

question 2

See the following aqueous solutions and their respective concentrations:

I- 0.50 mol/L of C₆H₁₂O₆

II- 0.15 mol/L of C₆H₁₂O₆

III- 0.25 mol/L of C₆H₁₂O₆

IV- 0.35 mol/L of C₆H₁₂O₆

IV- 0.45 mol/L of C₆H₁₂O₆

Check the alternative that presents the solution with the highest and lowest vapor pressure respectively:

a) I and II

b) II and III

c) II and IV

d) II and I

e) V and III

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