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Calculate the osmotic preesure of the …

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Calculate the osmotic preesure of the solution obtained by mixing 200 cm^3 of 2% (w/v) solution of urea with 200 cm^3 of 3.42% solution of sucrose at 20°C. (R=0.083 L bar K^-1 mol^-1)

Posted by Anjaan Ladka 6 years, 5 months ago

CBSE > Class 12 > Chemistry

9 answers

Ďãřşháñăã Yadav ? ? ? 6 years, 5 months ago

nope I can't share. ?

Anjaan Ladka 6 years, 5 months ago

Also check my another question below this one and try to answer that

Anjaan Ladka 6 years, 5 months ago

Can u share ur email

Ďãřşháñăã Yadav ? ? ? 6 years, 5 months ago

it's quite difficult here to give solution of numerical. ? but hope u understand it.

Ďãřşháñăã Yadav ? ? ? 6 years, 5 months ago

➡️Mass of urea = 4/60= 0.066mol. ➡️ mass of Sucrose in 200cm ^3= 0.02 mol. ➡️ total volume of sol. = 400 cm^3 ➡️ osmotic pressure due to urea = 0.066*1000*0.083*293/400=4.01 bar ➡️ osmotic pressure due to Sucrose = 0.02 *1000*0.083 *293/400=1.215 bar ➡️ total osmotic pressure = 4.01+1.215=5.225 bar.

Anjaan Ladka 6 years, 5 months ago

Btw according to exact calculations from calculator It is 5.269 bar

Anjaan Ladka 6 years, 5 months ago

Full calculations please

Řøhăň Řąjpůť ✌️✊ 6 years, 5 months ago

yes it is the correct answer. but how will u show full calculation.? ?

Ďãřşháñăã Yadav ? ? ? 6 years, 5 months ago

Is final answer is 5.224 bar. ?

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