Continuous form | |
---|---|

Discrete form |

Here are a few last questions on interpreting the equations:

### What will the rate of water flow be if permeability is zero?

### When will the rate of water flow be the highest?

### What happens if the osmolarity of the two solutions is the same (if they are iso-osmotic)?

None of these was really rocket science. The point is that the equation for rate of water flow is simply a formalisation of what our intuition tells us should happen. **The equation puts intuition into mathematical language!**