(see sketch at right). This makes it easy to isolate and measure the amount of gas produced. collected gas chemi water rea Suppose the CO gas evolved by a certain chemical reaction taking place at 45.0 °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 88.0 mL. Sketch of a gas-collection apparat Calculate the mass of CO 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. g

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