The amount of CaCO3 (s) in a rock sample shall be determined using gas volume geometry. The sample is added with excess hydrochloric acid and the gas which is then collected is collected over water. Explain how you can determine the amount of CaCO3 (s) in the sample by measuring the volume of gas generated. Suppose the experiment is performed at 25.0 ° C and a pressure of 1.00 atm. The measured volume of gas is 50.0 mL. How many grams of CaCO3 (s) is there in the sample? The water vapor pressure at 25 ° C is 23.76 mmHg. How much systematic error in the number of grams of CaCO3 (s) will we get if we do not take the water vapor pressure into account?

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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The amount of CaCO3 (s) in a rock sample shall be determined using gas volume geometry. The sample is added with excess hydrochloric acid and the gas which is then collected is collected over water. Explain how you can determine the amount of CaCO3 (s) in the sample by measuring the volume of gas generated.
 
Suppose the experiment is performed at 25.0 ° C and a pressure of 1.00 atm. The measured volume of gas is 50.0 mL. How many grams of CaCO3 (s) is there in the sample?
 
The water vapor pressure at 25 ° C is 23.76 mmHg. How much systematic error in the number of grams of CaCO3 (s) will we get if we do not take the water vapor pressure into account?

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