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Chapter 11: Q35 E (page 648)

What is the difference between a 1 M solution and a 1 m solution?

Short Answer

Expert verified

1M solution contains 1mole of solute for every 1L solution whereas 1m solution contains 1mole of solute for every kg of solvent.

Step by step solution

01

Definition

Molarity isthe calculation of the number of solutes that are present in a litre of a solution.

The total number of moles of a solute that are present in one kilogram of a solvent is known as its molality.

02

Explanation

The key difference between a 1.0 molar solution and a 1molal solution is that a 1.0 molar solution has onemoleofsolutedissolved within the solution whereas a 1molal solution has one mole of solutes dissolved in one kilogram of the solution. Furthermore, the unit of measurement of 1.0 molar solution is mole/L while that of 1molal solution is mole/kg.

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Most popular questions from this chapter

What is the freezing point of a solution of dibromobenzene,\({{\bf{C}}_{\bf{6}}}{{\bf{H}}_{\bf{4}}}{\bf{B}}{{\bf{r}}_{\bf{2}}}\), in 0.250 kg of benzene, if the solution boils at 83.5 °C?

Sketch a qualitative graph of the pressure versus time for water vapour above a sample of pure water and a sugar solution, as the liquids evaporate to half their original volume.

Give an example of each of the following types of solutions:

(a) a gas in a liquid

(b) a gas in a gas

(c) a solid in a solid

Exposing a 100.0 mL sample of water at 0 °C to an atmosphere containing a gaseous solute at 20.26 kPa (152 torr) resulted in the dissolution of\({\bf{1}}.{\bf{45}}{\rm{ }} \times {\rm{ }}{\bf{1}}{{\bf{0}}^{ - {\bf{3}}}}\))g of the solute. Use Henry’s law to determine the solubility of this gaseous solute when its pressure is 101.3 kPa (760 torr).

Which is/are part of the macroscopic domain of solutions and which is/are part of the microscopic domain: boiling point elevation, Henry’s law, hydrogen bond, ion-dipole attraction, molarity, nonelectrolyte, non-stoichiometric compound, osmosis, solvated ion?
See all solutions

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