Why is 1 molar aqueous solution more concentrated than a 1 molal solution?

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Solution

So, the mass of solvent (i.e. water) is less than $1000$ gram in molar solution. Therefore one molar aqueous solution contains one mole of solute in less than $1000$ gram of solvent whereas one molal solution has one mole of solute in $1000$ gram of solvent.

Hence concentration will be more in one molar aqueous solution

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