What is the pH electrode response time, if the response time is considered to be 90%...

What is the pH electrode response time, if the response time is considered to be 90% of the total signal change? Discuss

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queen_honey_blossom answered 2 years ago

Response time: What is the pH electrode response time, if the response time is considered to...

Response time: What is the pH electrode response time, if the response time is considered to be 90% of the total signal change? Discuss

Consider a glass electrode or [pH electrode (combination electrode). a. Identify the reference part. b. Identify...

Consider a glass electrode or [pH electrode (combination electrode). a. Identify the reference part. b. Identify the indicator part. c. Explain how the potential of the electrode is determined. d. Describe a two-point calibration of the electrode. e. State any five of the eight possible errors that might occur in pH measurements with the electrode.

What is the pH of the solution of 90 mL of 1.1 HCl is added to...

What is the pH of the solution of 90 mL of 1.1 HCl is added to a solution of 250 mL of 1.0 M HCN and 1.0 NaCN? (HCN Ka = 6.2 x10-10)

When measuring with a pH electrode, several things limit the accuracy of the measurement. In each...

When measuring with a pH electrode, several things limit the accuracy of the measurement. In each of the following situations, describe what would cause the observed effect: A. Acid error occurs when the pH is too low. Example, you have a 0.5 M solution of HCl, but your probe provides a measured pH of 0.50 B. Sodium error occurs when the pH is too high. Example, you have a 0.5 M solution of NaOH, but measure a pH of 13.00...

A student was given buffer solutions to calibrate the pH electrode that were labeled incorrectly. The...

A student was given buffer solutions to calibrate the pH electrode that were labeled incorrectly. The pH's of both buffer solutions were actually lower than the pH's shown on the labels. Explain how such an error would affect the experimental result for the Ka of acetic acid.

An MnO2(s) /Mn2+(aq) electrode in which the pH is 10.18 is prepared. Part A Find the...

An MnO2(s) /Mn2+(aq) electrode in which the pH is 10.18 is prepared. Part A Find the [Mn2+] necessary to lower the potential of the half-cell to 0.00 V (at 25 ∘C). Express your answer using two significant figures. [Mn2+] =

Say you are given a buffer at 25 C in pH 6.881. The glass combination electrode...

Say you are given a buffer at 25 C in pH 6.881. The glass combination electrode gave a reading of -18.3 mV. When it was placed in a pH 4.002 buffer at 25 C, this same electrode gave a reading of +146.3 mV. What is the electromotive efficiency of the glass electrode? (3 sig figs)

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