Question

An aqueous solution contain 0.4%urea and3.42%sugar by mass calculate osmotic pressure of the solution at 27 degree celsius

Answer 1

osmotic pressure of urea = CRT

= gram mass/ molar mass × volume [R ×T]

[ common formula for both parts]

=0.4/60× 100 [0.0831 × 300

=0.01642 pa

osmotic pressure of sugar = CRT

= 3.42/342× 100 [0.0821×300

=0.00246pa

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