# Calculating Volume, Pressure & Density

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1. A sample of CO2 gas at 22Â°C and 7.71 atm has a volume of 6.0 L. If the pressure decreases to 5.42 atm, what is the volume? (Round your answer to one decimal place)

2. 120 mL of ethyl alcohol, C2H5OH, is poured into a soft drink bottle at room temperature. The ethyl alcohol weighs 32.4 g and the bottle is heated to 100Â°C. What is the pressure after heating? (Round your answer to the nearest whole number)

3. Calculate the density, in g/L, of SO2 at 75Â°C and 1.33 bar. (Round your answer to two decimal places)

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#### Solution Summary

The solution provides applications of ideal gas law to find the volume, pressure, and density (see attachment).

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