How many grams of solid potassium hydroxide are needed to react with 12.7 mL of a 1.47 M hydrobromic acid solution? Assume that the volume remains constant when the potassium hydroxide is added.
How many grams of solid potassium hydroxide are needed to react with 12.7 mL of a...
How many grams of solid barium hydroxide are needed to react with 10.5 mL of a 0.473 M nitric acid solution? Assume that the volume remains constant when the barium hydroxide is added. Ba(OH)2 + 2HNO3Ba(NO3)2 + 2 H2O
A) how many mL of 0.5000 m aqueous potassium hydroxide are needed to neutralized (turn oink due to indicator phenolphthalein) 25.00 ml of 0.5000 m aqueous oxalic acid. please write balanced equation, note mole to mole ratio of acid to base and use stoichiometry to solve. B) write a balanced reaction for the mixing of aqueous sodium chloride and aqueous silver nitrate which produces solid silver chloride and aqueous sodium chloride. Calculate the grams of the solid product and grams...
titrations and limiting reactants A student is asked to standardize a solution of potassium hydroxide. He weighs out 0.907 g potassium hydrogen phthalate (KHCgH404 treat this as a monoprotic acid) It requires 28.6 mL of potassium hydroxide to reach the endpoint. A. What is the molarity of the potassium hydroxide solution?M This potassium hydroxide solution is then used to titrate an unknown solution of hydrobromic acid B. If 178 ml of the potassium hydroxide solution is required to neutralize 19.0...
How many grams of solid potassium fluoride should be added to 1.50 L of a 0.232 M hydrofluoric acid solution to prepare a buffer with a pH of 3.894 ? grams potassium fluoride: How many grams of solid potassium cyanide should be added to 0.500 L of a 0.131 M hydrocyanic acid solution to prepare a buffer with a pH of 8.738 ? grams potassium cyanide:
Hydrochloric acid reacts with solid aluminum hydroxide to form aluminum chloride and water. How many mL of (2.4300x10^-1) M hydrochloric acid are needed to react completely with (3.22x10^0) grams of aluminum hydroxide?
How many mL of 3.50 M potassium hydroxide must be added to 500 mL of a 0.200 M carbonic acid solution to make a buffer with pH = 6.30? (Assume only the first hydrogen is dissociated.)
How many grams of potassium bromide are needed to prepare 300.0 mL of a solution that is 2.0%w/v? Do NOT include any units, just answer with the NUMBER of grams, for example: 4.2 or 13 or 220. Type your response What is the new concentration, if solvent is added to 20.0 mL of a solution that is 4.0%w/v, until the total volume of the solution is 100.0 mL? (DO NOT include any units with your answer.) Type your response 25...
How many grams of solid potassium nitrite should be added to 1.50 L of a 0.149 M nitrous acid solution to prepare a buffer with a pH of 4.139 ? grams potassium nitrite = g. How many grams of solid ammonium chloride should be added to 1.50 L of a 0.115 M ammonia solution to prepare a buffer with a pH of 10.250 ? grams ammonium chloride =
qestOn How many moles of potassium hydroxide would have to be added to 225 mL of a 0.325 M hydrofluoric acid solution, in order to prepare a buffer with a pH of 3.060? moles An aqueous solution contains 0.428 M hypochlorous acid. How many mL of 0.292 M sodium hydroxide would have to be added to 150 mL of this solution in order to prepare a buffer witha pH of 7.140? mL
Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to standardize strong base solutions. It has the unwieldy formula of KHC8H4O4. This is often written in shorthand notation as KHP. How many grams of KHP are needed to exactly neutralize 21.6 mL of a 0.479 M potassium hydroxide solution ? What volume of a 0.379 M potassium hydroxide solution is needed to exactly neutralize 2.09 grams of KHP ?