50 POINTS! PLEASE HELP!Solid sodium nitrate reacts with sulfuric acid to produce sodium sulfate and nitric acid. You have 36 gra
ms of sodium nitrate and 21 grams of sulfuric acid. What is the limiting reactant?
1 answer:
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<u>Answer:</u> The theoretical yield and percent yield of chromium (III) oxide is 434.72 grams and 92.6 % respectively.
<u>Explanation:</u>
To calculate the number of moles, we use the equation:
.....(1)
Given mass of = 480.1 g
Molar mass of = 84 g/mol
Putting values in equation 1, we get:
For the given chemical equation:
By Stoichiometry of the reaction:
4 moles of produces 2 moles of chromium (III) oxide
So, 5.72 moles of will produce =
of chromium (III) oxide
Now, calculating the mass of chromium (III) oxide from equation 1, we get:
Molar mass of chromium (III) oxide = 152 g/mol
Moles of chromium (III) oxide = 2.86 moles
Putting values in equation 1, we get:
To calculate the percentage yield of chromium (III) oxide, we use the equation:
Experimental yield of chromium (III) oxide = 402.4 g
Theoretical yield of chromium (III) oxide = 434.72 g
Putting values in above equation, we get:
Hence, the theoretical yield and percent yield of chromium (III) oxide is 434.72 grams and 92.6 % respectively.