Note: This problem requires you to carry out a calculation, and the answer will be used in subsequent problems. Work out this and the following problems on paper, so you will have the answers to use for the subsequent problems. The mass percentage of calcium carbonate in an eggshell was analyzed using the same technique described in the "Gas Laws" experiment. An eggshell reacts with excess hydrochloric acid at 29.86 inHg and 21.8C. Calculate the partial pressure (in atm) of carbon dioxide, correcting for the vapor pressure due to water obtained from the Properties of Water Website Links to an external site.. ___________ atm (Enter only the numerical value for the answer since the units are provided.)