What is molarity? What is molality? What is normality? Give examples
Answers
Explanation:
1.Molar concentration is a measure of the concentration of a chemical species, in particular of a solute in a solution, in terms of amount of substance per unit volume of solution.
2.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. A solution with a molality of 3 mol/kg is often described as “3 molal” or “3 m.” However, following the SI system of units, mol/kg or a related SI unit is now preferred.
3.In chemistry, the equivalent concentration or normality of a solution is defined as the molar concentration ci divided by an equivalence factor feq:
Normality =
ci
/
feq
Answer:
Molarity is defined as the no of moles of solute dissolved in 1 g of solution at constant temperature.
Molality is defined as the no of grams of solute dissolved in 1 g of solution. It is independent of temperature.
Normality is defined as the no of gram equivalent of solute dissolved in1 g of solution at constant temperature.
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