Jessica is doing her pre-lab homework for Chemistry. She is asked to predict how many grams of oxygen gas are produced if 40.0 g of potassium chlorate is decomposed according to this balanced chemical equation shown. 2KCIO3(s) - 2KCI(s)+3O2(g) She performs the following calculation, and gets 15.7 g of O2 as her answer. g KCIO, mol KCIO, mol O, 1 mol KC10, 3 mol 02 32.00 g 02 122.55 g KC1O, 2 mol KClo, 1 mol 02 The next day when her group performs the experiment they obtain an actual yield of 14.5 grams of oxygen gas. What is the percent yield for the experiment? `report your answer to the tenths place, i.e. one decimal place."

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Jessica is doing her pre-lab homework for Chemistry. She is asked to predict how many grams of oxygen gas are produced if 40.0 g of potassium chlorate is decomposed
according to this balanced chemical equation shown.
2KCIO3(s) - 2KCI(s)+302(g)
She performs the following calculation, and gets 15.7g of O2 as her answer.
8 KCIO,
mol KCIO,
mol O,
1 mol KC1O,
122.55 g KClo,
3 mol 02
32.00 g 02
1 mol 02
2 mol KClo,
The next day when her group performs the experiment they obtain an actual yield of 14.5 grams of oxygen gas. What is the percent yield for the experiment?
`report your answer to the tenths place, i.e. one decimal place.
Transcribed Image Text:Jessica is doing her pre-lab homework for Chemistry. She is asked to predict how many grams of oxygen gas are produced if 40.0 g of potassium chlorate is decomposed according to this balanced chemical equation shown. 2KCIO3(s) - 2KCI(s)+302(g) She performs the following calculation, and gets 15.7g of O2 as her answer. 8 KCIO, mol KCIO, mol O, 1 mol KC1O, 122.55 g KClo, 3 mol 02 32.00 g 02 1 mol 02 2 mol KClo, The next day when her group performs the experiment they obtain an actual yield of 14.5 grams of oxygen gas. What is the percent yield for the experiment? `report your answer to the tenths place, i.e. one decimal place.
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