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2m urea solution is diluted from 2Kg to 5Kg by addition of water. calculate molality of diluted solution. 2m urea solution is diluted from 2Kg to 5Kg by addition of water. calculate molality of diluted solution.
2m urea solution is diluted from 2Kg to 5Kg by addition of water. calculate molality of diluted solution.
molality is the number of moles of solute dissolved in 1 kg of solventInchemistry, themolality,b(orm), of asolutionis defined as theamount of substance(inmol) of solute, divided by themass(inkg) of thesolvent, (notthe mass of the solution):[b = \frac{n_{solute}}{m_{solvent}}]now,2=mole of urea/2mole of urea=4now new molality=4/5=.2 molal
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