Abeaker contains a dilute sodium chloride solution at 1 atmosphere. what happens to the number of solute particles in the solution and the boiling point of the solution, as more sodium chloride is dissolved? the number of solute particles increases, and the boiling point increases. the number of solute particles increases, and the boiling point decreases. the number of solute particles decreases, and the boiling point increases. the number of solute particles decreases, and the boiling point decreases. time on question: 00: 00: 32

The number of solute particles increases and the boiling point increases ( A )

As more sodium chloride is added, the number of solute particles contained in the dilute solution will increase which will have a direct positive effect on the boiling point ( i.e increase in boiling point ).

As more solute ( sodium chloride ) is added the molar concentration of NaCl solute will increase as well. The change in boiling point of a solution can be expressed as :

ΔTb = Kb * m

where : Kb = elevation constant , m = Molar conc of solute, ΔTb = change in boiling point.

Hence we can conclude From the expression above an increase in molar concentration of Nacl will lead to an increase in the boiling point of the solution.

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The number of solute particles increases, and the boiling point increases.

Explanation:

ΔTb = Kb.m,

where, Kb molal boiling point elevation constant.

m is the molal concentration of solute.

will increase the number of solute particles and also will increase the molal concentration of NaCl solute.

∵ ΔTb ∝ m.

The number of solute particles increases,

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