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what is molarity and molalitys


Bala Ji 5th Dec, 2019
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ADITYA KUMAR Student Expert 5th Dec, 2019
Hello there!

  • Molarity is the number of moles of a substance  that is dissolved in 1 liter of a solution (we know that solution is solvent and solute combined, right).The symbol for molarity is M. The formula for molarity is moles / liter .

  • While when we talk about Molality then it is the number of moles of substance (known as the solute) that is found in a certain mass of solvent given in kg, that it is dissolved in.For molality the symbol is m, the formula for molality is moles / kg.

  • One major difference between them is that Molarity is affected by changes in temperature while molality is unaffected by changes in temperature.

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