Answer:
Option A. 66 g
Explanation:
We'll begin by writing the balanced equation for the reaction. This is given below:
CH₄ + 2O₂ —> CO₂ + 2H₂O
Next, we shall determine the mass of CH₄ that reacted and the mass of CO₂ produced from the balanced equation. This is illustrated below:
Molar mass of CH₄ = 12 + (4×1)
= 12 + 4 = 16 g/mol
Mass of CH₄ from the balanced equation = 1 × 16 = 16 g
Molar mass of CO₂ = 12 + (16×2)
= 12 + 32 = 44 g/mol
Mass of CO₂ from the balanced equation = 1 × 44 = 44 g
SUMMARY:
From the balanced equation above,
16 g of CH₄ reacted to produce 44 g of CO₂.
Finally, we shall determine the theoretical yield of CO₂. this can be obtained as follow:
From the balanced equation above,
16 g of CH₄ reacted to produce 44 g of CO₂.
Therefore, 24 g of CH₄ will react to produce = (24 × 44) /16 = 66 g of CO₂.
Thus, the theoretical yield of CO₂ 66 g
The theoretical yield of CO₂ is 66 grams.
The balanced chemical equation of the reaction is as follows:
CH₄ + 2O₂ → CO₂ + 2H₂O
mass number of CH₄ = 16 g
mass number of CO₂ = 44 g
Therefore,
16 of CH₄ produced 44g of CO₂
24 g of CH₄ will give ? of CO₂
cross multiply
mass of CO₂ produced = 24 × 44 / 16
mass of CO₂ produced = 1056 / 16
mass of CO₂ produced = 66 grams
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