A 0.9% NaCl (w\w)solution in water is
A)produced by mixing 0.9 moles of NaCl in a 100 moles of water.
B)produced and has the same final volume as a 0.9% solution in ethyl alcohol.
C)a solution that boils at or above 100 ° C.
D)All of these responses are correct.

Question

Quizplus · Accepted Answer

A 0.9% NaCl solution in water is hypertonic compared to pure water, leading to an elevation in boiling point due to the colligative properties of solutions. This means it will boil at or above 100°C, unlike pure water which boils exactly at 100°C under standard atmospheric pressure.

A 0.9% NaCl (W\w)solution in Water Is