Question:

Jessica is doing her pre lab homework for Chemistry She is

Last updated: 5/8/2023

Jessica is doing her pre lab homework for Chemistry She is

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 7 g of O2 as her answer KCIO mol KCIO 1 mol KClO3 3 mol O 122 55 g KClO3 2 mol KClO3 mol O 32 00 g 0 1 mol O 80 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