88. Solving a chemistry problem
📂 Coursework
👤 Derkach
Product Description
196. It took 12.72 g of Na2CO3 to soften 100 liters of water. What is the hardness of water? (Answer: 2.4 mg-eq / 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.
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