NEET-XII-Chemistry

02: Solutions

with Solutions - page 2
Qstn# A-12 Prvs-QstnNext-Qstn
  • #12
    Calculate
    the osmotic pressure in pascals exerted by a solution prepared by
    dissolving 1.0 g of polymer of molar mass 185,000 in 450 mL of water
    at 37°C.
    Ans : It is
    given that:
    Volume
    of water, V = 450 mL = 0.45 L
    Temperature, T = (37 +
    273)K = 310 K
    Number
    of moles of the polymer,
    We know
    that:
    Osmotic
    pressure,

    = 30.98 Pa
    = 31
    Pa (approximately)