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A chemist weighed out 5.14 g of a mixture containing unknown amounts of BaO and CaO and placed the sample in a 1.5 L flask

A chemist weighed out 5.14 g of a mixture containing unknown amounts of BaO and CaO and placed the sample in a 1.5 L flask containing CO2 at 30 degrees celsius and 750 torr. After the reaction to form BaCO3 and CaCO3 was completed the pressure of CO2 remaining was 230 torr. Calculate the mass percentage of CaO and BaO in the mixture.

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