In administering  a mixture of NO2 and O2 by flow meters the target total flow is 14 L/min.  What flow , in L/min should the  NO2 have to administer 31 % NO2 ? (answer to 1/10 X.X and include units)

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.