The Two-Point Calibration for the PH Electrode Uses Two Buffers

question 62

Multiple Choice

The two-point calibration for the pH electrode uses two buffers.Which of the following pH values are correct for these two buffers?
1) 6.839
2) 6.840
3) 7.384
4) 7.495

• A) 1 and 3
• B) 1 and 4
• C) 2 and 4
• D) 2 and 3

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