Consider the following reaction: 2SO2(g)+O2(g)2SO3(g) Part A If 271.7 mL of SO2

Question

Consider the following reaction: 2SO2(g)+O2(g)2SO3(g)

Part A

If 271.7 mL of SO2 is allowed to react with 156.9 mL of O2 (both measured at 306 K and 49.2 mmHg ), what is the limiting reactant?

Part B

What is the theoretical yield of SO3?

Part C

If 174.2 mL of SO3 is collected (measured at 306 K and 49.2 mmHg ), what is the percent yield for the reaction?

Consider the following reaction: Part A 271.7 mLofso2 is allowed to react with 156.9 mL ofO2 (both measured at 303 K and 492 mmHg), what is the limiting react Submit My Answers Give Up Correct Part B What is the theoretical yield ofS0,? 7.01.10 M Answers Submit Incorrect. Try Again, 5 attempts remaining Part C lf1742 mL of So, is collected (measured at306 Kand 492 mm Hg), what is the percentyield for the reaction? Express your answer using four significant figures. Submit Answers

Explanation / Answer

(A)

Since both the volumes are calculated at same tempearture and pressure conditions, so number of moles is directly proportional to the volume.

So, moles of SO2 are greater than that of O2 by a factor of (271.7/156.9) = 1.73 times

Since according to reaction stoichiometry, O2 requires double amount of SO2, so SO2 is the limiting reagent.

(b)

Since 2 moles of SO2 give 2 moles of SO3, and since moles are proportional to volume, so 271.7 mL SO3 will be produced.

(c)

% yield = (174.2/271.7)*100 = 64.11%

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