117. Solving a chemistry problem
Seller: Derkach
Price: 1.17 USD
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Product description
- There is 20 kg of a solution with a mass fraction of salt of 15%. Calculate the mass fraction if you add to the solution: a) 2 kg of salt; b) 2 kg of water.
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.