An aqueous solution containing 58.8 % w/v of H2SO4 has density 1.388 g/mlb. the molality with respect to H2SO4 of the solution is
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58.8g of solute present in 100. ml of solution
wt of solution = volume density
=100x1.388
=138.8gm
Wt. of solvent =138.8-58.8 =80 gm
moles of solute =58.8/98 = 0.6
molality =0.6/80 *1000
= 7.5 m.
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