The experimentally determined molar mass for what type of substances is always lower than the true value when water is used as solvent. Explain. Give one example of such a substance and one example of a substance which does not show a large variation from the true value.
Please tell me that is this question is ever asked in board exams except in sample paper of 2020
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The molar mass of potassium chloride electrolyte is high when compared with that of its original value when water is used as a solvent.
Explanation:
- When the KCl electrolyte is dissolved in water, the colligative property increases as the number of particles in the solution increases. So the molar mass of the substance will decrease.
- The best example of such substance is pottasium chloride and the example of a substance which does not show a large variation from the true value is Glucose.
To know more:
1) What are colligative properties?
https://brainly.in/question/1501535.
2) What is colligative properties?
https://brainly.in/question/2878994
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