What mass of strontium hydroxide must be added to 150. mL of 0.250 M nitric acid to produce a solution with [OH-] = 0.010 M?
What mass of strontium hydroxide must be added to 150. mL of 0.250 M nitric acid...
Problem 1 - Strontium Hydroxide Acid/Base Question -/1 points A 8.51 mL sample of nitric acid required 13.25 mL of 0.105 M strontium hydroxide for titration. Calculate the molarity of the acid solution. (Hint: It's stoichiometry, you need the balanced equation) Concentration of Nitric Acid M Evaluate Problem 3 - H2Z Molecular Weight -/1 points A solution was made by adding water to 0.22 g of H2Z until the volume totaled 25.00 mL. Subsequent titration required 40.50 mL of 0.11...
A 50.0 mL sample of 0.150 M sodium hydroxide is titrated with 0.250 M nitric acid. Calculate: a. the pH after adding 10.00 mL of HNO3 b. the pH after adding 40.00 mL of HNO3 c. the volume required to reach the equivalence point d. the pH at the equivalence point
1a, A strontium hydroxide solution is prepared by dissolving 10.45 g of Sr(OH)2 in water to make 41.00 mL of solution.What is the molarity of this solution? 1b. Next the strontium hydroxide solution prepared in part (a) is used to titrate a nitric acid solution of unknown concentration.Write a balanced chemical equation to represent the reaction between strontium hydroxide and nitric acid solutions. 1c. If 23.9 mL of the strontium hydroxide solution was needed to neutralize a 31.5 mL aliquot...
What mass of sodium hydroxide must be added to 75.0 mL of 0.205 M acetic acid in order to create a buffer with a pH of 4.74? acetic acid Ka=1.8x10^-5 (Answer is 0.31g how do we arrive there?)
1. if 15.27 mL of 0.250 M solution of barium hydroxide is required to reach the equivalence point in a titration of 20.00 mL of nitric acid, what is the concentration of the acid? The equation for the reaction is 2 HNO3 + Ba(OH)2 --> 2 H2O + 2 NO3- + Ba2+ 2. For the reaction: HCOOH + OH- --> HCOO- + H2O If 24.60 mL of base is required to reach the equivalence point of this titration, what volume...
9) 50.0 mL of 0.250 M sodium hydroxide at 19.5 oC was added to 50.0 mL of 0.250M hydrochloric acid also at 19.5 oC in a calorimeter. After mixing the ` solution temperature rises to 21.21oC. What is the heat of reaction?
If 23.9 mL of the strontium hydroxide solution was needed to neutralize a 31.5 mL aliquot of me nitric acid solution, what is the concentration (molarity) of the acid? Express your answer to three significant figures and include the appropriate units.
2.poets.] Phosphoric acid (75.0 m1L of 0.250 M) is added n hydroxide solution. mt oro.250 M) is added to 425.00 mL or o.osso M barium a. Write a balanced chemical b. Identify the spectator ions. equation for the above reaction rnte a net-ionic equation for the above reaction. Calulate the concentration of the excess H or OH ions left in this solution.
50.0 mL of 0.250 M sodium hydroxide at 19.5 oC was added to 50.0 mL of 0.250M hydrochloric acid also at 19.5 oC in a calorimeter. After mixing the solution temperature rises to 21.21oC. What is the heat of reaction? How do you determine the density of this problem? And how do you solve it?
What mass of sodium formate must be added to 550.0 mL of 1.30 M formic acid to produce a buffer solution that has a pH of 3.40 (Ka [HCOOH]) =1.80 x 10 ^-4)?