Calculate the pH of a solution that is 0.20 M in NaCH 3 COO and 0.10 M in CH 3 COOH. 1234567891011121314151617181920 2122232425262728293031323334353637383940.

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Presentation transcript:

Calculate the pH of a solution that is 0.20 M in NaCH 3 COO and 0.10 M in CH 3 COOH

Calculate the pH of a solution that is 0.12 M in HOCl and 0.20 M in NaOCl

Calculate the pH of 100. mL of M acetic acid, CH 3 COOH, to which mol of sodium acetate, NaCH 3 COO, has been added

Which of the following combinations is not buffer solution? All components are present in 0.10 M concentrations HCN and NaCN 2.NH 3 and NH 4 Cl 3.HCl and NH 4 Cl 4.CH 3 COOH and NH 4 CH 3 COO 5.NH 3 and NH 4 CH 3 COO

What is the pH of a solution that is 0.20 M in HOCl and 0.15 M NaOCl after mol HCl/L has been bubbled into the solution?

The nonionized form of an acid indicator is yellow, and its anion is blue. The Ka of this indicator is What will be the approximate pH range over which this indicator changes color?

Calculate the pH of the solution resulting from the addition of 40.0 mL of M HClO 4 to 60.0 mL of M NaOH

Which titration curve could describe the titration of a solution of HCl by addition of a solution of KOH?

Consider the titration of a solution of a weak acid by adding a solution of a strong base. Which response includes all the following statements that are true, and no others? I. The end-point cannot be detected using an indicator. II. The pH at the equivalence point is III. The solution is buffered before the equivalence point. IV. The solution is buffered both before and after the equivalence point. V. Methyl orange (pH color range ) would be a better indicator for this titration than would thymol blue (pH range ) II and IV 2.III 3.IV and V 4.I and III 5.IV and V

What is the pH of the solution resulting from the addition of 20.0 mL of M NaOH solution to 30.0 mL of M acetic acid, CH 3 COOH?

Which titration curve could describe the titration of a solution of NH 3 by addition of a solution of HCl?