to isolate and measure the amount of gas produced. pose the CO₂ gas evolved by a certain chemical reaction taking place at 50.0 °C is colle apparatus something like that in the sketch, and the final volume of gas in the collection mL. ulate the mass of CO₂ that is in the collection tube. Round your answer to 2 significant reaction conditions and the nature of the gases

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Chapter1: Chemical Foundations
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Sometimes in lab we collect the gas formed by a chemical reaction over water (see sketch at right). This makes it
easy to isolate and measure the amount of gas produced.
Suppose the CO₂ gas evolved by a certain chemical reaction taking place at 50.0 °C is collected over water, using
an apparatus something like that in the sketch, and the final volume of gas in the collection tube is measured to be
55.7 mL.
g
☐
☐x10
15
Sketch of a gas-collection apparatus
X
collected
gas
Calculate the mass of CO₂ that is in the collection tube. Round your answer to 2 significant digits. You can make any normal and reasonable assumption about
the reaction conditions and the nature of the gases.
water
chemical
reaction
Transcribed Image Text:Sometimes in lab we collect the gas formed by a chemical reaction over water (see sketch at right). This makes it easy to isolate and measure the amount of gas produced. Suppose the CO₂ gas evolved by a certain chemical reaction taking place at 50.0 °C is collected over water, using an apparatus something like that in the sketch, and the final volume of gas in the collection tube is measured to be 55.7 mL. g ☐ ☐x10 15 Sketch of a gas-collection apparatus X collected gas Calculate the mass of CO₂ that is in the collection tube. Round your answer to 2 significant digits. You can make any normal and reasonable assumption about the reaction conditions and the nature of the gases. water chemical reaction
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