Peoria Charter Sc a Error-Fall 2015-si e LONCAPAUr × Balance che, 0 | 101/Lab/Li

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Peoria Charter Sc a Error-Fall 2015-si e LONCAPAUr × Balance che, 0 | 101/Lab/LimReact 03 problem?s access1 lon-capa CHEM 101B Fall 20 Christopher Michael Zeitler (Student section: DD) Hain Menu |Contents Grades Syllabus Course Contents » Type2 Homework-OS » LimReact-03-problem ethyl alcohol (CHJOH) is made by reacting carbon monoxide and hydrogen in the presence of certain metal catalysts CO +2H2 CHJOH . How much alcohol (in grams) can be obtained by reacting 40.5 g of CO with 12.9 g of H,? Submit Answer Tries o/5 2. How many grams of excess reactant remain unreacted? 9 excess reactant Tries 0/s Submit Answer Tries o/s Tutorial: Part Tutorial: Part 2: Determinina the Amount of (opens in a new window) f Excess Reactant Leftover (opens in a new window) Post Discussion

Explanation / Answer

moles of CO=40.5/(12+18)

=1.446

moles of H2=12.9/2

=6.45

Hence CO is the limiting reagent.

moles of CH3OH formed= 1.446

so mass of CH3OH=1.446*32

=46.272 grams

moles of H2 unreacted = 6.45 - 2*1.446

=3.558

so mass of H2 unreacted = 3.558*2

=7.116 grams

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