Multiple Choice
Under which condition will osmosis occur across a semipermeable membrane?
14. Solutions
Osmosis
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In what direction do water molecules move through a semi-permeable membrane during osmosis?
A
From a region of lower temperature to a region of higher temperature
B
From a region of lower solute concentration to a region of higher solute concentration
C
From a region of higher pressure to a region of lower pressure
D
From a region of higher solute concentration to a region of lower solute concentration
Verified step by step guidance1
Understand the concept of osmosis: Osmosis is the movement of water molecules through a semi-permeable membrane from a region of lower solute concentration to a region of higher solute concentration.
Identify the driving force of osmosis: The process is driven by the concentration gradient of solutes across the membrane, not by temperature or pressure differences.
Recognize the role of the semi-permeable membrane: This membrane allows only certain molecules, like water, to pass through while blocking solutes.
Clarify the direction of water movement: Water moves to balance solute concentrations on both sides of the membrane, moving from the side with lower solute concentration to the side with higher solute concentration.
Relate osmosis to real-world examples: Consider how plants absorb water from the soil or how kidneys filter blood, both processes involving osmosis to maintain balance in biological systems.
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