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alekssr [168]
3 years ago
6

Osmosis is the process responsible for carrying nutrients and water from groundwater supplies to the upper parts of trees. The o

smotic pressures required for this process can be as high as 20.1 atm. What would the molar concentration of the tree sap have to be to achieve this pressure on a day when the temperature is 24 C?
Express your answer to three significant figures and include the appropriate units.
Chemistry
1 answer:
Nady [450]3 years ago
5 0

Answer:

0.825 M

Explanation:

The osmotic pressure is a colligative property, that can be calculated using the following expression.

π = M × R × T

where,

π is the osmotic pressure

M is the molarity

R is the ideal gas constant

T is the absolute temperature (24°C + 273 = 297 K)

M = π / R × T = 20.1 atm / (0.08206 atm.L/mol.K) × 297 K = 0.825 M

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