chemistry 30a

What volume (in mL) of an 8% w/v acetic acid solution would be needed to form 2.2 L of carbon dioxide gas at 25.2 degrees Celsius and 0.9982 atm? Assume the acid is reacted with excess sodium bicarbonate, and round your final answer to two sig figs.

  1. 👍 0
  2. 👎 0
  3. 👁 1,230
  1. 1. Write the equation and balance it.
    2. Use PV = nRT and solve for n = moles CO2.
    3. Using the equation #1, convert mols CO2 to moles acetic acid .
    4. Convert mols acetic aci to grams. g = moles x molar mass.
    5. With grams acetic acid you can go to the solution you have.
    6. The soln is 8% w/v which means 8g acetic acid/100 mL soln.
    7. How much of that do you need? That will be 100 mL x (g acetic acid needed/8) = ? mL.

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    2. 👎 0
  2. s

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    2. 👎 1
  3. 0.090 mL

    1. 👍 0
    2. 👎 4
  4. 67ml

    1. 👍 7
    2. 👎 0

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