2.0 ml of water with a salt concentration of 0.85 mol/L, is to be mixed with 5.0 ml of water with a salt concentration of 0.70 mol/L, as in Exercise 2. Before mixing, however, evaporation leads the each concentration of each component to double. What is the concentration of the mixture? Is it exactly twice the concentration found in Exercise 2?
The above are similar to examples of weighted averages with absorption.