Chemistry, 06.10.2019 04:20 andrewmena05

The reaction of 60.0 g of aluminum oxide with 30.0 g of carbon produced co gas and 22.5 g of aluminum metal. what is the percent yield aluminum for this reaction?

Answers: 1

Show answers

Answers

Answer from: locomexicano03

The percent yield of aluminum for this reaction is 70.9%.G

Given:

The reaction of 60.0 g of aluminum oxide with 30.0 g of carbon produced CO gas and 22.5 g of aluminum metal.

To find:

The percent yield of aluminum for this reaction.

Solution:

$Al_2O_3+3C\rightarrow 3CO+2Al$

Mass of aluminum oxide = 60.0 g

Moles of aluminum oxide = $\frac{60.0g}{101.96 g/mol}=0.588 mol$

Mass of carbon = 22.5 g

Moles of carbon $= \frac{30.0g}{12.01 g/mol}=2.50 mol$

According to reaction, 1 mole of aluminum oxide reacts with 3 moles of carbon, then 0.588 moles of aluminum oxide will react with:

$=\frac{3}{1}\times 0.588mol=1.764 \text{mol of C}$

0.588 moles of aluminum oxide react with 1.764 moles of carbon.

This indicates that:

Carbon is an excessive reagent. Aluminum oxide is a limiting reagent.Mass of aluminum produced will depend upon moles of aluminum oxide.

According to reaction, 1 mole of aluminum oxide gives 2 moles of aluminum, then 0.588 moles of aluminum oxide will give:

$=\frac{2}{1}\times 0.588 mol=1.176 \text{ mol of Al}$

Mass of 1.176 moles of aluminum :

$=1.176 mol\times 26.98 g/mol=31.72 g$

The theoretical yield of the reaction = 31.73 g

The experimental yield of the reaction = 22.5 g

The percent yield of the reaction :

$(Yield)\%=\frac{\text{Experimental yield}}{\text{Theoretical yield}}\times 100\\\\=\frac{22.5 g}{31.73 g}\times 100=70.91\%\approx70.9\%$

The percent yield of aluminum for this reaction is 70.9%.

Learn more about percent yield here:

link

Answer from: lanaiheart7

The answer to your question is: 70.8%

Explanation:

Data

Al₂O₃ = 60 g

C = 30 g

CO = gas

Al = 22.5 g

MW Al₂O₃ = 102 g

MW C = 12 g

MW Al = 54 g

Reaction

Al₂O₃ + 3C ⇒ 3 CO + 2 Al

Limiting reactant

102 g of Al₂O₃ -------------- 54 g Al

60 g -------------- x

x = 31.8 g

36 g of C ------------------ 54 g of Al

30 g of C ------------------ x

x = 45 g of Al

Limiting reactant = Al₂O₃

Percent yield = $\frac{22.5}{31.8} x 100$

Percent yield = 70.75 %

Answer from: Quest

in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.

Answer from: Quest

Ithe undersigned only for use your own email and delete any and copies and of the itself and to be there is a good timewhat does a decrease in temperature indicate about the molecules in a sample of liquid water? decreased chemical energy of the moleculesdecreased kinetic energy of the moleculesincreased chemical energy of the moleculesincreased kinetic energy of the moleculeshow does a sample of helium at 15 â°c compare to a sample of helium at 215 k? the helium at 15 â°c has a higher average kinetic energy than the sample at 215 k.the helium at 15 â°c has lower nuclear energy than the sample at 215 k.the helium at 15 â°c has slower-moving atoms than the sample at 215 k.the helium at 15 â°c has smaller atoms than the sample at 215 k.

Another question on Chemistry

Chemistry, 21.06.2019 18:30

In an energy pyramid, which level has the most available energy?

Answers: 1

Answer

Chemistry, 22.06.2019 09:00

What happens to isotopes that are unstable?

Answers: 1

Answer

Chemistry, 22.06.2019 12:30

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

Answers: 1

Answer

Chemistry, 22.06.2019 19:30

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2

Answers: 3

Answer

You know the right answer?

The reaction of 60.0 g of aluminum oxide with 30.0 g of carbon produced co gas and 22.5 g of aluminu...

Questions