Question- The pH in a lake of size 3.0 km * 8.0 km and an average depth of 100 m is found to be 4.5. Calculate the mass of calcium carbonate that must be added to the lake water in order to raise its pH to 6.0.
Answer is 3.7 x 10^9 g, 3.7E9 g or 3.7 Gg (gigagrams)
Mention step wise computation of your work done