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OpenStudy (anonymous):
A volume of 5.0 L of polluted air at 18.0°C and 747 mmHg is passed through lime water [an aqueous suspension of Ca(OH)2], so that all the carbon dioxide present is precipitated as CaCO3. If the mass of the CaCO3 precipitate is 0.026 g, calculate the percentage by volume of CO2 in the air sample. Ans: .12% We have not finished this chapter yet, but I started my hw and I do not know how to get this answer. Can anyone help me on the steps to get this answer? Please and thank you!
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