Calculate the pH of the solution that results from each mixture.a. 50.0 mL of 0.15 M HCHO2 with 75.0 mL of 0.13 M NaCHO2b. 125.0 mL of 0.10 M NH3 with 250.0 mL of 0.10 M NH4Cl

1. calculate the pH of a solution obtained by mixing 30.4 mL of 0.03 M HCL with 31.4 mL of o.1 M HNO3 solution 2.A given weak acid  has a pKa of 8.27.  Calculate the percent ionized in 0.34 M of the weak acid. 3. Calculate the pH of 0.021 M Sr(OH )2 PLEASE DO ALL THREE

Calculate the pH of each of the following solutions   a. 0.10 M propanoic acid, CH3CH2COOH, Ka = 1.3 x 10-5   b. 0.10 M sodium propanoate, NaCH3CH2COO.   c. A mixture containing 0.10 M propanoic acid and 0.10 M sodium propanoate   d. Calculate the pH after 0.020 mole of HCl is added to 1.00 L of a solution that contains 0.10 M propanoic acid and 0.10 M sodium propanoate   e. Calculate the pH after 0.020 mole of NaOH is added to 1.00 L of a solution that contains 0.10 M propanoic acid and 0.10 M sodium propanoate

Which of the following, when mixed, would NOT result in a buffer solution? а. 10 mL of 0.1M HCI and 20 mL of 0.1 M NH3 O b. 10 mL of 0.1 M HCI and 20 mL of 0.1 M NaC2H3O2 C. 10 mL of 0.1 M NaOH and 20 mL of 0.1 M potassium cyanide, KCN d. 10 mL of 0.1 M NaOH and 20 mL 0.1 M HF e. 10 mL of 0.1 M acetic acid, HC2H3O2, and 10 mL of 0.1 M sodium acetate, NaC2H3O2