To arrange the following aqueous solutions in order of increasing boiling points. 0.050 m mg(no 3)2; 0.100 m ethanol; 0.090 m nacl.
What is boiling point of a solution?
The temperature at which a liquid's vapor pressure equals the pressure around it and the liquid transforms into a vapor is known as the boiling point of a substance.
A liquid's boiling point varies depending on the atmospheric pressure in the area. The boiling point of a liquid is lower in a partial vacuum than it is at atmospheric pressure. A liquid's boiling point is lower under low pressure than it is under air pressure.
The higher the molar concentration, higher will be the boiling point of the solution.
Thus among Ethanol(0.100m), Mg(NO3)2(0.050m), NaCl(0.090), ethanol has the highest boiling point.
Thus, increasing order of boiling point is:
Mg(NO3)2<NaCl<Ethanol
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