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a) What volume of a 0.180 M nitric acid solution is required to neutralize 22.4 mL of a 0.172 M barium hydroxide solution? (Answer should be in mL)
b) What volume of a 0.154 M calcium hydroxide solution is required to neutralize 12.7 mL of a 0.181 M hydroiodic acid solution? (Answer in mL)
c) An aqueous solution of hydroiodic acid is standardized by titration with a 0.182 M solution of barium hydroxide. If 17.7 mL of base are required to neutralize 21.9 mL of the acid, what is the molarity of the hydroiodic acid solution?
d) An aqueous solution of barium hydroxide is standardized by titration with a 0.184 M solution of nitric acid.If 12.3 mL of base are required to neutralize 17.9 mL of the acid, what is the molarity of the barium hydroxide solution?
The rainwater is mainly composed of NaCl 1 mM and its pH is 4.6. Without using a computer, determine the concentration of Ca2+in runoff water.
Calculate the % atom economy for the following two methods for converting benzene, C6H6, to aniline, C6H5NH2.
petit discovered the empirical rule that the specific heat times the atomic weight of many solid elements is a constant: Using this rule, calculate the specific heat of copper and platinum.
A solution is made by mixing equal masses of methanol, CH4O, and ethanol, C2H6O. Determine the mole fraction of each component
When nitroglycerin explodes it produces nitrogen, oxygen and water and carbon dioxide. If the heat of reaction is -5692 kj/mol how much heats released when 4.5 g of the explosive reacts
Based on the Henderson-Hassalbach equation how many mmols of Tris-HCl are there in a 100 mL of a 100 mM Tris-HCl buffer solution at pH 8.1? Note that the 100 mM refers to the sum of Tris and Tris-HCl concentrations. Answer in mmols
Assume you carry out an experiment when the atmospheric pressure is 765mmHg and the temp in 24 degrees C. you collect Hydrogen gas and want to know the pressure of the gas
Butyric acid is responsible for the foul smell of rancid butter. The pKa of butyric acicd is 4.84.
Write equations illustrating the reactions with water of the following acids. Indicate strong acids with a single arrow and weak acids with equilibrium arrows. Use hydronium ion in you answer if needed.
where C is a constant.The following table gives the equilibrium constant (Kp) at various temperatures for the reaction of nitrogen monoxide with oxygen gas that produces nitrogen dioxide
Consider one kmol of methane at a pressure of 23.2 bar and a temperature of 200 K. Is this methane an ideal gas? Show or describe how you reached this conclusion
What will be the total vapor pressure (in torr) of a solution prepared by mixing equal masses of the two liquids?
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