Questions 58–59 refer to the following equation:
Addition of a nonvolatile solute raises the vapor pressure of a solution. Therefore, a
higher temperature will be needed to produce boiling.
I.
The molal concentration of solute particles dissolved in the solvent is an important
factor in determining the molal boiling-point elevation constant.
II.
The identity of solute particles dissolved in the solvent is an important factor in
determining the molar boiling-point elevation constant.
III.
(A) I only
(B) II only
(C) I and III only
(D) II and III only
(E) I, II, and III
57 . What is the sum of the coefficients of the products for the following reaction, after
balancing?
...K 2 Cr 2 O 7 + ...HCl → ...KCl + ...CrCl 3 + ...H 2 O + ...Cl 2
(A) 10
(B) 12
(C) 13
(D) 14
(E) 15
58 . What is X?