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Percent Yield

#### Q. Acetic acid (CH3CO2H) reacts with isopentyl alcohol (C5H12O) to yield isopentyl acetate (C7H14O2), a fragrant substance with the odor of bananas (Figure 1). If the yield from the reaction of acetic acid with isopentyl alcohol is 45%, how many grams of isopentyl acetate are formed from 3.66 g of acetic acid and 4.70 g of isopentyl alcohol? The reaction is: CH3CO2H+C5H12O → C7H14O2+H2O Express your answer using two significant figures.

Solved • Feb 17, 2020

Percent Yield

#### Q. Cisplatin [Pt(NH3)2Cl2], a compound used in cancer treatment, is prepared by reaction of ammonia with potassium tetrachloroplatinate: K2PtCl4 + 2 NH3 → 2 KCl + Pt(NH3)2Cl2 How many grams of cisplatin are formed from 55.4 g of K2PtCl4 and 36.6 g of NH3 if the reaction takes place in 95% yield based on the limiting reactant? Express your answer using two significant figures.

Solved • Feb 17, 2020

Percent Yield

#### Q. for the reaction below, between 10.0 O2 and 12.0g of propene, identify the limiting reagent, calculate the theoretical yield of CO2 and H2O in moles and in grams, if the actual yield of H2O is 2.5g calculate the percentage yield of H2O in the reaction 2C3H6 (g) + 9O2(g)------> 6CO2(g) + 6H2O(g)

Solved • Feb 14, 2020

Percent Yield

#### Q. 12. Solid molecular phosphorus reacts with chlorine gas to form phosphorus trichloride according to the chemical equation shown below. If only 5.9 grams of PCl3 are produced when 5.0 grams of P4 and 7.5 grams of Cl2 are combined, what is the percent yield of the reaction? P4 (s) + 6 Cl2 (g) → 4 PCl3 (l)

Solved • Feb 11, 2020

Percent Yield

#### Q. The chemical reaction shows the production of ethene and water from ethanol. CH3CH2OH > CH2=CH2 + H2O What is the percent yield if this reaction produced 55.0 g of ethene from 100.0 g of ethanol?

Solved • Feb 6, 2020

Percent Yield

#### Q. Consider this reaction, which occurs in the atmosphere and contributes to photochemical smog: 2Fe(s) + O2(g) → 2FeO(s) If there is 10.53 g Fe and excess O2 present, the reaction yields 10.4 g FeO. Calculate the percent yield for the reaction.

Solved • Feb 4, 2020

Percent Yield

#### Q. Nitrogen monoxide is produced by combustion in an automobile engine. For the following reaction, 6.50 grams of nitrogen monoxide are mixed with excess oxygen gas. The reaction yields 7.48 grams of nitrogen dioxide. nitrogen monoxide (g) + oxygen (g) → nitrogen dioxide (g) What is the theoretical yield of nitrogen dioxide? _____ grams What is the percent yield for this reaction? ____ %

Solved • Feb 4, 2020