65. Solving a chemistry problem
569. When treating 0.5 l of a water sample with sodium carbonate, 70 mg of CaCO3 precipitated. What is the hardness of water if it is due only to calcium sulfate? Answer: 2.8 mmol/dm3.
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
No customer reviews yet.