14- Triethylammonium chloride (22.00g, (C2H5);NHCI, 137.65 g/mol) is added to water to make 1.75 L of solution. (Hint: (C2H5);NH* is the conjugate acid of the weak base triethylamine, (C2H5);N, pKs = 4.19). A buffer is prepared by mixing 25.00 mL of the previous solution with 25.00 mL of 0.0750 M sodium hydroxide. Determine the pH of the resulting buffer. 15- A buffer is prepared using 0.180 mol of dihydrogenphosphate ions and 0.120 mol of hydrogenphosphate ions in 250.0 mL volumetric flask. a- Calculate the pH of the prepared buffer.

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14- Triethylammonium chloride (22.00g, (C2H5);NHCI, 137.65 g/mol) is added to water to make 1.75 L of
solution. (Hint: (C2H5);NH* is the conjugate acid of the weak base triethylamine, (C2H5);N, pKs = 4.19). A
buffer is prepared by mixing 25.00 mL of the previous solution with 25.00 mL of 0.0750 M sodium hydroxide.
Determine the pH of the resulting buffer.
15- A buffer is prepared using 0.180 mol of dihydrogenphosphate ions and 0.120 mol of hydrogenphosphate ions
in 250.0 mL volumetric flask.
a- Calculate the pH of the prepared buffer.
Transcribed Image Text:14- Triethylammonium chloride (22.00g, (C2H5);NHCI, 137.65 g/mol) is added to water to make 1.75 L of solution. (Hint: (C2H5);NH* is the conjugate acid of the weak base triethylamine, (C2H5);N, pKs = 4.19). A buffer is prepared by mixing 25.00 mL of the previous solution with 25.00 mL of 0.0750 M sodium hydroxide. Determine the pH of the resulting buffer. 15- A buffer is prepared using 0.180 mol of dihydrogenphosphate ions and 0.120 mol of hydrogenphosphate ions in 250.0 mL volumetric flask. a- Calculate the pH of the prepared buffer.
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