what is molarity and molalitys

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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.

Thankyou

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