Answer 4.3.1: Why we may need to solve equations simultaneously

Problem:

The reaction between propane and hydrogen chloride to form propyl chloride and hydrogen is carried out in a continuous reactor. The product stream is analyzed and found to contain 27.45 mole% C3H7Cl, 27.45 mole % H2 and 14.6% HCl. The feed to the reactor contains only propane and hydrogen chloride. Calculate the fractional conversion of the limiting reactant and the percentage by which the other reactant is in excess. If the molar flow rate of the feed stream is 290 mol/s, what is the extent of reaction? (Give its numerical value and its units.)

Explanation:

We will need to solve some equations simultaneously later on, but we don't know enough yet to do it. That information comes from another step that we need to do first. After we do some other things we'll move on to review all the information we should know before plugging into the equations. So, go back to see other steps that we need to to first.







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