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solniwko [45]
2 years ago
6

Which of the following aqueous solutions will have the lowest vapor pressure at 25°C?

Chemistry
2 answers:
Vladimir79 [104]2 years ago
8 0

C. 1.0 M Al2O3 would be the best answer

34kurt2 years ago
7 0

The answer is "D" Because Raoult's law, is that Vapor pressure is directly proportional to the mole fraction of the solution. So 1.0M CaF2 will be the least in this case.

Hope this help please let me know id it was correct



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What volume of a 2.25 M sodium chloride solution will contain 4.58 moles of sodium chloride
Rzqust [24]

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Option E. 2.04 L

Explanation:

Data obtained from the question include:

Molarity of NaCl = 2.25 M

Mole of NaCl = 4.58 moles

Volume =..?

Molarity is simply defined as the mole of solute per unit litre of the solution. It is represented mathematically as:

Molarity = mole /Volume

With the above formula, we can obtain the volume of the solution as follow:

Molarity = mole /Volume

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Cross multiply

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