146. Solving a chemistry problem
Seller: Derkach
Price: 1.20 USD
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Product description
- Express the composition of a gas mixture containing 70% nitrogen and 30% helium (% by volume) using a technical formula and calculate the mass of 1 m3 of this mixture.
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.