Submit Question 12 of 30 Calculate the pH when 20.0 mL of 0.150 M KOH is...
Calculate the pH when 10.0 mL of 0.150 M KOH is mixed with 20.0 mL of 0.300 M HBrO (Ka = 2.5 x 10-9)
Calculate the pH when 40.0 mL of 0.150 M KOH is mixed with 20.0 mL of 0.300 M HBrO (Ka = 2.5 × 10⁻⁹)
Quest. 7 (30 pts). Benzoic acid (C6H5COOH), 40.0 mL of 0.150 M, is being titrated with 0.300 M potassium hydroxide (KOH). Calculate the pH a) before any addition of base, b) at the half neutralization (half equivalent) point, and c) at the equivalent point. The Ka of C6H5COOH is 6.5 x 10-5. Use the appropriate tables when necessary.
calculate the pH & POH of a mixture containing 20.0 mL of 0.150 m HBr mixed W/ 40.0 mL of water.
A 50.0 mL solution of 0.150 M KOH is titrated with 0.300 M HCl. Calculate the pH of the solution after the addition of the following amounts of HCl. d) 18.0 mL HCl e) 24.0 mL HCl g) 26.0 mL HCl h) 29.0 mL HCl
Calculate the pH for each case in the titration of 50.0 mL of 0.150 M HClO(aq) with 0.150 M KOH(aq). Use the ionization constant for HClO.What is the pH before addition of any KOH?pH=What is the pH after addition of 25.0 mL KOH?pH=What is the pH after addition of 40.0 mL KOH?pH=What is the pH after addition of 50.0 mL KOH?pH=What is the pH after addition of 60.0 mL KOH?pH=No referals please since the one I got with altered number did not work.
Question 9 of 12 Submit What is the pH of a 9.7 x 10-6 M KOH solution? 1 4 7 +/- 2 5 8 : 3 6 9 0 x 10 Question 10 of 12 Submit The pOH of 0.0240 M solution of Sr(OH)2 is 1 4 7 +/- 2 5 8 : 3 6 9 0 x 10
1) A 50.0-mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the pH after the addition of 16.0 mL of KOH.Express your answer numerically. pH=_______ 2) A 75.0-mL volume of 0.200 M NH3 (Kb = 1.8 x10-5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 13.0 mL of HNO3.Express your answer numerically. pH=_______ 3) A 52.0-mL volume of 0.35 M CH3COOH (Ka = 1.8 x10-5 ) is titrated with 0.40 M NaOH. Calculate...
Calculate the pH for each case in the titration of 50.0 mL of 0.150 M HCIO(aq) with 0.150 M KOH(aq). Use the ionization constant for HCIO. What is the pH before addition of any KOH? pH = What is the pH after addition of 25.0 mL KOH? pH = What is the pH after addition of 30.0 mL KOH? pH = What is the pH after addition of 50.0 mL KOH? pH = What is the pH after addition of...
1. Calculate the pH of a 0.0820 M solution of the acid HClO dissolved in water if Ka = 2.9x10-8. 2. Calculate the pH of a 0.4480 M solution of the base H2BO3-1 dissolved in water if Ka = 5.4x10-10 for H3BO3. 3. Calculate the pH of a solution containing the following compounds. (Note that these are concentrations before any reaction occurs). [NaH2PO4] 0.300 M [Na2HPO4] 0.840 M [KOH] 0.054 M 4. For the titration of 15.00 mL of 0.100...