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CBSE Class 12-science Answered

which aqueous solution is more concentrated - 1M or 1m having same solute?
Asked by soumya mittal | 30 Mar, 2012, 09:43: AM
answered-by-expert Expert Answer

1 molar aqueous solution is more concentrated than 1 molal aqueous solution because 1 molar solution contain 1 mole of solute in  1 litre  of the solution which include both  solute and solvent. So, the mass of solvent (i.e. water) is less than 1000 gram. Therefore 1 molar aqueous solution contains 1 mole of solute in less than 1000 gram of solvent whereas 1 molal solution has 1 mole of solute in 1000 gram of solvent. Hence concentration will be more in 1 molar aqueous solution.

Answered by | 02 Apr, 2012, 09:57: AM

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