what happens when raisins are put in salt solution and why ?
Answers
Answer:
When dry raisins are placed in water, they swell up. It happens because the water from the surrounding diffuses into the raisins resulting into swelling of them. This process is called osmosis. If these raisins are placed in a concentrated salt solution, they will shrink due to osmosis.
nicity is a measure of the effective osmotic pressure gradient (as defined by the water potential of the two solutions) of two solutions separated by a semipermeable membrane. In other words, tonicity is the relative concentration of solutions that determine the direction and extent of diffusion. It is commonly used when describing the response of cells immersed in an external solution. Unlike osmotic pressure, tonicity is influenced only by solutes that cannot cross the membrane, as only these exert an effective osmotic pressure.