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A 4.00-g sample of a mixture of CaO and BaO is placed in a 1.00-L vessel containing CO2 gas at a pressure of 730 torr and a temperature of 25 °C. The CO2 reacts with the CaO and BaO, forming CaCO3 and BaCO3.When the reaction is complete, the pressure of the remaining CO2 is 150 torr.
(a) Calculate the number of moles of CO2 that have reacted.
(b) Calculate the mass percentage of CaO in the mixture.
In relation to the oxygen atom forming the linkage between glucose molecules, how are the hydrogens attached to the same carbon as the linkage oxygen oriented?
Calculate the pH of 0.075 M in sodium formate, NaCHO2, and 0.200 M in formic acid, HCHO2. The Ka for formic acid is 1.8x10-4
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A sodium hydroxide solution is prepared by dissolving 4.0 g NaOH in 1.00 L of solution. What is the molar concentration of OH- in this solution? What are the pOH and the pH of the solution?
If 20.g of NaCl are used, how many grams of H2SO4 are required for complete reaction? Using the balance equation 2NaCl(s)+ 1H2SO4(aq)= 2HCl(aq)+ 1Na2SO4
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if a 210 mg piece of gold density19.32 bcm3 is hammered into a sheep measuring 2.310 ft. what is the average thickness
What is the chemical formula for the base iron(III) hydroxide. The formula for the oxalate ion is C2O4^2-
Ethane, C2H6 burns in the presence of oxygen. If 8.0 g of oxygen are used, how many moles of CO2 will be produced
If a 295 mL sealed container at 25 °C contains 0.80 g of a gas at 680 torr. Define what is the molar mass of the gas
If a 1.000g sample of red phosphorus powder was burned in air and reacted with oxygen gas to give 2.291g of phosphorus oxide. Compute the empirical formula as well as molecular formula of phosphorus oxide give the molar mass is approximately 282g/..
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