Osmosis occurs when two solutions of different concentrations are separated by a

Question

Osmosis occurs when two solutions of different concentrations are separated by a semipermeable membrane. The membrane allows solvent particles, but not solute particles, to pass through. Thus, the solvent moves toward the solution of higher concentration (to dilute it) until the two solutions have the same concentration, or until gravity overtakes the osmotic pressure, . The osmotic pressure between a solution and pure solvent depends on the number of solute particles and thus is a colligative property. It can be expressed as 11 MRT. where M is the total molarity of the solute particles, R-0.08206 L atm/(K mol) is the gas constant, and T is the Kelvin temperature

Explanation / Answer

Osmotic pressure = Concentration * R * T

20.1 = Concentration * 0.08206 * (35 + 273.15)

Concentraton = 0.795 mol/L

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