1. A student performs a titration that requires 40.00 mL of 0.5000 M KOH to completely...
If a 25.0 mL sample of phosphoric acid, H3PO4, is completely neutralized by 137 mL of 0.100 M KOH, what is the molarity of the phosphoric acid? Given: H3PO4 + 3 KOH → 3 H2O + K3PO4
In a titration, a student found that 42.6 mL of a KOH solution were required to neurtralize 28.9 mL of a 0.160 M sulfuric acid solution. Determine the molarity of the KOH solution. SHOW WORK. 2KOH(aq) + H2SO4(aq) ------> K2SO4(aq) + 2H2O(l)
An unknown concentration of phosphoric acid is titrated to its equivalence point with 0.2701 M KOH. What is the concentration of the acid? H3PO4 (aq) + 3 KOH(aq) - K3PO4 (aq) + 3 H2O) Initial volume of KOH solution 1.03 mL Final volume of KOH solution 15.02 mL Original volume of H3PO4 solution 24.68 mL O 0.001260M 0.05104 M 0.1531 M 0.4593M
25.00 mL of HCl (aq) solution requires 18.92 mL of 0.1024 M NaOH to react completely in an acid-based neutralization reaction. What is the molarity of the HCl solution?
If 38.2 mL of 0.159 M KOH is required to neutralize completely 27.0 mL H2SO4 solution, what is the molarity of the acid solution? H2SO4(aq) + 2KOH(aq) → K2SO4(aq) + 2H2O(l)
If 35.2 mL of 0.171 M KOH is required to neutralize completely 26.0 mL H2SO4 solution, what is the molarity of the acid solution? H2SO4(aq) + 2KOH(aq) → K2SO4(aq) + 2H2O(l)
Calculate the pH during the titration of 30.00 mL of 0.1000 M KOH with 0.1000 M HBR solution after the following additions of acid: (a) 0 mL (b) 18.00 mL (c) 30.00 mL (d) 35.10 mL Titration Calculation Practice Problems 1. Calculate the pH during the titration of 30.00 mL of 0.1000 M KOH with 0.1000 M HBr solution after the following additions of acid: (a) 0 mL (b) 18.00 mL (c) 30.00 mL (d) 35.10 ml
2. A student performs a titration on a 5.00 mL sample of an HBr solution. She uses 24.32 mL of a 0.459 M KOH solution to reach a phenolphthalein endpoint. (See Example 2, if necessary.) a. Write the balanced equation for the reaction. Remember to include the correct physical states for each reactant and product in your balanced equation. b. How many moles of KOH were used? C. How many moles of HBr were present? d. What is the molarity...
A. Titration of a 11.0 mL solution of KOH requires 12.0 mL of 0.0310 M H2SO4 solution. B. If 28.0 mL of a 0.200 N acid solution is needed to reach the end point in titration of 17.5 mL of a base solution, what is the normality of the base solution?
H3PO4(aq) + 3 KOH(aq) → K3PO4(aq) + 3 H2O(l). You mix 750. mL of 0.1250 M H3PO4 with 750. mL of 0.350 M KOH What is the theoretical yield of water produced - in grams?