You want to dissolve as much carbon dioxide gas as possible into a water solution. How would you achieve the in a laboratory setting?
Simply hurl some card ice into a beaker of water.
Of course, the card ice will sublime into the water; you will see the bubbles. Of course, the water will cool down significantly. Alternatively, take a needle and attach it to a cylinder of
Failing that, buy a bottle of carbonated mineral water. This is certainly saturated with respect to
What will be the