Part Ii Preparing And Testing Your Airbag 4 Use The Ideal Gas Law To Calculate The Moles Of Gas Required To Fill Your 1 (63.15 KiB) Viewed 48 times
Part Ii Preparing And Testing Your Airbag 4 Use The Ideal Gas Law To Calculate The Moles Of Gas Required To Fill Your 2 (23.43 KiB) Viewed 48 times
Part II. Preparing and testing your "airbag 4. Use the ideal gas law to calculate the moles of gas required to fill your bag. Determine the molecular weight of each of your reagents. Calculate how many grams of sodium bicarbonate will produce that number of moles of gas. Calculate the volume of 6.0 Macetic acid that you will use (Remember that the mole ratios are 1:1, so you will need the same number of moles of sodium bicarbonate as acetic acid as carbon dioxide gas you want to produce.) 5. Measure out the calculated amount of sodium bicarbonate and acetic acid. If you get acid on your skin, wash immediately with water. 6. Hold your bag with a fold in the bottom that will prevent the reagents from mixing until after you've sealed the bag. Add the sodium bicarbonate to one corner, and the acetic acid to the other corner. Seal the bag without trapping air in it. Release the fold, and shake the bag to mix the reagents. 7. Assess the fullness of your "airbag" after 8-10 minutes. If it is not full, adjust your amounts and repeat the experiment using the same bag. Fluid in the bag can be poured down the drain. Be sure to show your successful "airbag" to your instructor. Data Room temperature: 27 °C C = 300 K Atmospheric pressure: 29.81 inHg = 7757.17 Bag volume (L) determined using water 3,700 mL Calculate the moles of CO2 needed to fill your bag. Show your work. mmHg ml
Name Moles CO, needed Moles NaHCO, needed g NaHCO, needed Moles CH,COOH needed ml CHCOOH needed Show your calculations of g NaHCO, ML CHCOOH
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