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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 oneofdissolved 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

Indicate the most important type of intermolecular attraction responsible for solvation in each of the following solutions:

  1. the solutions in Figure

2. Methanol,\({\bf{CH}}3{\bf{OH}}\), dissolved in ethanol, \({\bf{C}}2{\bf{H}}5{\bf{OH}}\)

3. Methane,\({\bf{C}}{{\bf{H}}_{\bf{4}}}\), dissolved in benzene, \({{\bf{C}}_{\bf{6}}}{{\bf{H}}_{\bf{6}}}\)

4. The polar halocarbon \({\bf{C}}{{\bf{F}}_{\bf{2}}}{\bf{C}}{{\bf{l}}_{\bf{2}}}\)dissolved in the polar halocarbon \({\bf{CF}}2{\bf{ClCFCl2}}\)

5. \({{\bf{O}}_{\bf{2}}}\left( {\bf{l}} \right)\)in \({{\bf{N}}_{\bf{2}}}\left( {\bf{l}} \right){\bf{.}}\) \(\)

What is the freezing point of a solution of 9.04 g of\({\bf{I_2}}\)in 75.5 g of benzene?

  1. Outline the steps necessary to answer the following question.
  2. Answer the question.

Compare the processes that occur when methanol (\({\bf{CH}}_3{\bf{OH}}\)), hydrogen chloride (\({\bf{HCl}}\)), and sodium hydroxide (\({\bf{NaOH}}\)) dissolve in water. Write equations and prepare sketches showing the form in which each of these compounds is present in its respective solution.

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

Lysozyme is an enzyme that cleaves cell walls. A 0.100 L sample of a solution of lysozyme that contains 0.0750 g of the enzyme exhibits an osmotic pressure of \({\bf{1}}{\bf{.32 \times 1}}{{\bf{0}}^{{\bf{ - 3}}}}\) atm at 25 掳C. What is the molar mass of lysozyme?
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