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lutik1710 [3]
2 years ago
6

A beaker contains a dilute sodium chloride solution at 1 atmosphere. What happens to the number of solute particles in the solut

ion 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
Chemistry
2 answers:
SCORPION-xisa [38]2 years ago
5 0

Answer:

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

Explanation:

  • It is known from colligative properties that adding solute to the solvent will cause elevation of boiling point.
  • Elevation of boiling point (ΔTb) can be expressed as:

<em>ΔTb = Kb.m,</em>

where, Kb molal boiling point elevation constant.

m is the molal concentration of solute.

  • Adding more sodium chloride to the solution:

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

<em>∵ ΔTb ∝ m.</em>

  • So, the boiling point increases.

  • Thus, the right choice is:

<em>The number of solute particles increases,</em>

<em></em>

meriva2 years ago
4 0

Answer: The number of solute particles increases and the boiling point increases.

Explanation: When sodium chloride dissolves it breaks apart into ions. Therefore as sodium chloride dissolved the *number of solute particles increases and the boiling point increases* . The number of particles in solution effects the freezing and boiling point of the original water making it hard to freeze or lowering the freezing point , and harder to boil, or raising the boiling point.

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