if 67.8 moles of gas was measured out into a helium balloon how many molecules would be present within the balloon

Explanation:

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In this case, since the understanding of the mole-molecules relationships is analyzed via the Avogadro's number:

Next, we can solve the following setup by starting with the 67.8 moles of helium and obtaining the required molecules as follows:

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atomic number of carbon is 6

electronic configuration of carbon is 1s²2s²2p²

orbital diagram of carbon is as shown here in the image.

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).