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Anestetic [448]
2 years ago
11

What is the difference between morality and molality​

Chemistry
2 answers:
AveGali [126]2 years ago
5 0

Molarity is expressed as moles/L, where L stands for the total volume of the solution. Accordingly, if I have a 1M solution of NaCl, I really have slightly less than 1L of water since the NaCl makes up the remaining solution to give it a FINAL volume of 1L. However, molality is measured in moles per kilogram of the solvent. This implies that I would add 1mol of NaCl to 1kg of water to get a 1 molal solution (the solvent). This occurs to be 1L of water because of the density of water. Due to the addition of some NaCl to my 1kg of water, the final solution volume in this instance is a little bit more than 1L. In terms of temperature, your final volume of 1L of solution would vary if you heated the 1 MOLAR solution from the first paragraph. Due to the expansion caused by heating, it will get bigger. As a result, the molarity varies when the same amount of NaCl is dissolved in more solution. However, the water will expand but not change in mass when the 1 MOLAL solution is heated. There will still be 1 kilogram of water even after expansion. Because of this, regardless of the temperature, the same quantity of NaCl is dissolved in the same mass of solute.

Mrac [35]2 years ago
3 0

Answer:

Explanation:

Molarity is the ratio of the moles of a solute to the total liters of a solution. The solution includes both the solute and the solvent. Molality, on the other hand, is the ratio of the moles of a solute to the kilograms of a solvent.


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