Question

explain the following terms a.mole fraction b. molarity c. molality ?​

Answer 1

Answer:

Mole fraction is a unit of concentration, defined to be equal to the number of moles of a component divided by the total number of moles of a solution. Because it is a ratio, mole fraction is a unitless expression.

In chemistry, molarity is a concentration unit, defined to be the number of moles of solute divided by the number of liters of solution

Molality is a property of a solution and is defined as the number of moles of solute per kilogram of solvent. The SI unit for molality is mol/kg.

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Answer 2

Answer:

• Mole fraction= moles of individual molecules/total moles gives mole fraction of that individual molecule
• Molarity= no of moles of solute/volume of solution in litre
• Molality=no of moles of solute /weight of solvent in kilogram