111. Solving a chemistry problem
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111. Solving a chemistry problem
It took 1000 m3 of air to burn 105.26 m3 of natural gas. Calculate the volume fraction of methane in natural gas (in%), assuming that the rest of the impurities in it are not combustible. The volume fraction of oxygen in the air is 20%.
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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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