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  • Concentration terms such as mass percentage, ppm, mole fraction and molality are independent of temperature, however, molarity is a function of temperature. Explain.

Concentration terms such as mass percentage, ppm, mole fraction and molality are independent of temperature, however, molarity is a function of temperature. Explain.

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\text{Molarity}=\frac{\text{number of moles of solute}}{\text{Volume of solution in litres} }

Since, molarity is dependent on volume of the solution, it changes with temperature. The other concentration terms like mass percentage, ppm, mole fraction, molality involve moles or mass of components which are independent of temperature.

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