To determine the percentage yield, do the following:
- Write the balance equation
- Determine the limiting reactant
- Calculate the theoretical yield
- Calculate the percentage yield (Option A)
<h3>What is stoichiometry?</h3>
Stoichiometry simply defined the relationships of the various quantities as they react in a chemical reaction
Scientist are mostly inquisitive and as such may want to determine the percentage yield of a reaction even before carrying it out.
<h3>How to determine the percentage yield</h3>
To determine the percentage for a given reaction, we must set up the following:
- Write the balance equation
- Determine the limiting reactant
- Calculate the theoretical yield
- Calculate the percentage yield
From the above, we can conclude that option A gives the right steps if we must successfully determine the percentage yield of a reaction.
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Answer:
The correct option is 9
Explanation:
The easiest way to balance any combustion equation is to first write the general form. In a combustion reaction the products are always carbon dioxide (CO2) and water (H2O) and the reactants are the organic material plus oxygen (O2).
General Form:
C6H12 + O2 --> CO2 + H2O
Now start by balancing the carbon atoms:
six carbons on the left so you need 6 on the right.
C6H12 + O2 ---> 6 CO2 + H2O
Next balance the hydrogen atoms:
12 on the left, so you need 12 on the right.
C6H12 + O2 --> 6CO2 + 6H2O
Now count the number of oxygen on the right = 12 + 6= 18
Divide the number on the right by 2 to get the number needed on the left. 18/2 = 9
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Answer:
890
Explanation:
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