A 50,000 g septic tank reading reports that methane gas bubbles are present with a concentration of 17 ppm

Explanation:

Hello there!

In this case, according to the given information for the parts per million of methane in this solution, it is possible for us to first write the equation for this unit of concentration as shown below:

In such a way, since the septic tank has a mass of 50,000 g, the mass of methane into it is calculated as shown below:

Now, we plug in the numbers to obtain:

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periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.