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

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be

Answer from: Quest

what is the question here. i think you messed up.

Another question on Chemistry

Chemistry, 23.06.2019 01:40

Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this reaction is 1.16 at 800°c. a 5.00 l vessel containing 10.0 g of caco3(s) was evacuated to remove the air, sealed, and then heated to 800°c. ignoring the volume occupied by the solid, what will be the mass of the solid in the vessel once equilibrium is reached?

Answers: 1

Answer

Chemistry, 23.06.2019 02:00

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.

Answers: 2

Answer

Chemistry, 23.06.2019 03:30

Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon

Answers: 1

Answer

Chemistry, 23.06.2019 03:30

Why do electrons further from the nucleus have more energy

Answers: 1

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...