QueenNerdy889
21.03.2021 •
Chemistry
How do you balance sulfur + fluoride = sulfur hexafluoride?
S + F2 >>> SF6
Solved
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Ответ:
Ответ:
The percent yield of the reaction is 77.6 %
Explanation:
Step 1: Data given
Mass of CH4 = 11.45 grams
Molar mass of CH4 = 16.04 g/mol
Mass of CH2Cl2 produced = 94.1 grams
Step 2: The balanced equation
CH4(g) + CCl4(g) →2CH2Cl2(g)
Step 3: Calculate moles CH4
Moles CH4 = mass CH4 / molar mass CH4
Moles CH4 = 11.45 grams / 16.04 g/mol
Moles CH4 = 0.714 moles
Step 4: Calculate moles CH2Cl2
For 1 mol CH4 we need 1 mol CCl4 to produce
For 0.714 moles CH4 we'll have 2*0.714 = 1.428 moles CH2Cl2
Step 5: Calculate mass CH2Cl2
Mass CH2Cl2 = moles CH2Cl2 * molar mass CH2Cl2
Mass CH2Cl2 = 1.428 moles * 84.93 g/mol
Mass CH2Cl2 = 121.3 grams
Step 6: Calculate percent yield
% yield = (actual yield / theoretical yield ) * 100%
% yield = (94.1 grams / 121.3 grams ) * 100 %
% yield = 77.6 %
The percent yield of the reaction is 77.6 %