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29 July, 08:28

For the reaction 2 HCl + Na2CO3 → 2 NaCl + H2O + CO2 8.0 moles of CO2 is collected at STP. What is the volume of CO2? 1. 57.6 L 2. 22.4 L 3. 0.0250 L 4. 2.80 L 5. 179 L 6. 0.357 L

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  1. 29 July, 08:30
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    Option 5. 179L

    Explanation:

    The reaction is:

    2 HCl + Na₂CO₃ → 2NaCl + H₂O + CO₂

    The amount of collected CO₂ is 8 moles.

    We apply the Ideal Gases Law at STP

    STP are 1 atm of pressure and 273K of T°

    P. V = n. R. T

    1atm. V = 8 mol. 0.082L. atm/mol. K. 273K

    V = (8 mol. 0.082L. atm/mol. K. 273K) / 1 atm = 179 L
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