Answer:

Explanation:
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In this case, for the separation of the benzene-toluene mixture, we can use the following mole balances including the given mole fraction at each stream per species:

That can be solved by using a solver for P1 (benzene-rich flow) and P2 (toluene-rich flow):

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Answer:
When excited electrons fall to lower energy levels, they can release energy in the form of light. metal ions in the salts used in the flame tests.
To see if an equation is balanced, make sure that each side of the reaction has an equal number of the types of atoms. The one that has a mismatch is A
I’m pretty sure you add, multiply, subtract, & divide