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The volume of CO2 prodcued by the combi...

The volume of `CO_2` prodcued by the combination of 40 ml of gaseous acetone in excess of oxygen is :

A

40 ml

B

80 ml

C

60 ml

D

120 ml

Text Solution

AI Generated Solution

The correct Answer is:
To find the volume of \( CO_2 \) produced by the combustion of 40 ml of gaseous acetone in excess oxygen, we can follow these steps: ### Step 1: Write the balanced chemical equation for the combustion of acetone. The combustion of acetone (\( C_3H_6O \)) in the presence of oxygen (\( O_2 \)) produces carbon dioxide (\( CO_2 \)) and water (\( H_2O \)). The balanced equation is: \[ C_3H_6O + 4 O_2 \rightarrow 3 CO_2 + 3 H_2O \] ### Step 2: Analyze the stoichiometry of the reaction. From the balanced equation, we can see that 1 mole of acetone produces 3 moles of \( CO_2 \). This means that for every 1 volume of acetone, 3 volumes of \( CO_2 \) are produced. ### Step 3: Use the volume of acetone to find the volume of \( CO_2 \). Given that we have 40 ml of acetone, we can calculate the volume of \( CO_2 \) produced using the stoichiometric ratio: \[ \text{Volume of } CO_2 = 3 \times \text{Volume of acetone} \] Substituting the given volume of acetone: \[ \text{Volume of } CO_2 = 3 \times 40 \, \text{ml} = 120 \, \text{ml} \] ### Step 4: Conclusion Thus, the volume of \( CO_2 \) produced by the combustion of 40 ml of gaseous acetone in excess of oxygen is **120 ml**.
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