Final answer:
To determine the percent yield of SO3, you must know the actual yield and theoretical yield. Given an actual yield of 7.9 grams and a referenced theoretical yield of 862.4 grams, the percent yield would be 0.916%. However, this cannot be confirmed without explicit information on the theoretical yield from the experiment in question.
The right answer is C) 57.3%
Step-by-step explanation:
To calculate the percent yield of SO3, you need to know both the actual yield and theoretical yield of the product. The question provides the actual yield which is 7.9 grams of SO3 but does not provide the theoretical yield.
Without the theoretical yield, you cannot calculate the percent yield as it is the ratio of actual yield to theoretical yield, multiplied by 100.
The formula to determine percent yield is: (actual yield / theoretical yield) × 100%. There is a reference to the theoretical yield being 862.4 g of SO3 in the additional information provided.
If we assume that this is the correct theoretical yield for the experiment in question, then the answer could be calculated as follows:
Percent yield = (7.9 g / 862.4 g) × 100% = 0.916%.
However, as the data given in the question does not explicitly state that 862.4 g is the theoretical yield for this experiment, we cannot be certain that this is the correct theoretical yield. Therefore, we must formally request the theoretical yield in order to provide the correct percent yield.
The right answer is C) 57.3%