106. Solving a chemistry problem
99. The presence of what salts determines the hardness of natural water? How can carbonate and non-carbonate hardness of water be eliminated? Calculate how many grams of Ca (HCO3) 2 are contained in 1 m3 of water, the hardness of which is 3 mg-eq / l.
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.