Question

What does 0.2m solution of urea represent?

Answer 1

Why does 0.2 m solution of urea represent

Answer 2

0.2m solution of urea represents the molality.

Explanation:

• In chemistry, the concentration of the solution is described in the following ways:

1. Mass percentage (w/w)
2. Volume percentage (v/v)
3. Mass by volume percentage (w/v)
4. Parts per million
5. Mole fraction
6. Molarity (M)
7. Molality (m)

• Based upon the symbol, the concentration of solution is determined. In the given case, the solution is given as 0.2m of urea solution.
• As the digit is followed by 'm' which is the symbol of molality, it can be inferred that it represents the molality of the solution.
• It represents that 0.2m solution of urea is prepared by dissolving 2 moles of urea (120 g of urea) in 1 kg of water.

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