99. Solving a chemistry problem
Seller: Derkach
Price: 1.18 USD
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Product description
- Determine how much 80% sodium phosphate should be taken to soften 500 m3 of water if the content of HCO3- in it is 200 mg / l, and the non-carbonate hardness is 2.8 mmol / l.
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.