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Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter scientific notation as 1.23E4. (a) When 11.50 mL of 0.470 M HNO3 have been added. (b) When 65.00 mL of 0.470 M HNO3 have been added.
Use Henderson Hassalbalch equation to calculate how much HCl must be added to a liter of buffer that is 1.5 M in acetic acid and 0.75M in sodium acetate to result in a buffer pH of 4.10? Ka = 1.8 x 10-5
A vapor composed of 0.75 mole fraction ethanol and 0.25 mole fraction acetic acid at 120.0 mm Hg (absolute), is in equilibrium with a liquid phase also composed of ethanol and acetic acid.
Determine the molarity of the solution that is prepared as follows: 73.0 g of magnesium of nitrate is dissolved in enough water to make 550.0mL of solution. molarity
For the reaction SO3+H2O=H2SO4 calculate the percentage yield if 600 g of sulfur trioxide react with excess water to produce 475 g of sulfuric acid
At 0.0oC, if the volume of air is 1.5 mL and the pressure of the atmosphere that day is 735 mmHg, what is the number of moles of air?
Titanium is a strong, lightweight, corrosion-resistant metal that is used in rockets, jet engines, and bicycle grams. It is prepared by the reaction of titanium (IV) chloride with molten magnesium between 950 and 1150 degrees C via the following r..
It required 16ml of a sodium hydroxide solution titrated against a standard solution of 0.79g of potassium hydrogen phthalate in water to reach equivalence point. What is the molarity of the sodium hydroxide?
Find out how many total moles of gas are produced If a sample has 2.10 mL of nitroglycerine (density = 1.592 g/mL) is detonated?
Initially, .500 atm of H2 and .500 atm I 2 are mixed in an evacuated 1.0 L flask. The system is allowed to come to equilibrium and it is found tocontain 0.368 atm HI. What is the equilibrium partial pressure of I2 for the reaction shown below
At equilibrium, 0.11 mole of CO2 was present. Calculate the equilibrium constant Kc of this reaction.
dropped into flask containing dilute H2SO4 at a pressure P = 1.00bar, and temperature T= 325K. What is the reaction that occurs?
A 0.1276g sample of a monoprotic acid (molar mass = 1.10 x 10^2) was dissolved in 25.0 ml of water and titrated with 0.0633 M NaOH. After 10.0 ml of base had been added
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