When a SBIA021 student measured the pH of 1.0M HCI, the student obtained a pH meter and failed to neither check the condition nor the manner of usage of the instrument. The pH meter reading timed out (Did not give a reading) Which of the following problem explanations is most correct? A)The sample in the glass beaker was being swirled vigourously while the electrode was submerged in it for a reading. B)The electrode got submerged much deeper into the solution than it should have. C)All of the above are correct problem explanations O D)The electrode had long direct contact with the environment and the glass membrane got dry.
When a SBIA021 student measured the pH of 1.0M HCI, the student obtained a pH meter and failed to neither check the condition nor the manner of usage of the instrument. The pH meter reading timed out (Did not give a reading) Which of the following problem explanations is most correct? A)The sample in the glass beaker was being swirled vigourously while the electrode was submerged in it for a reading. B)The electrode got submerged much deeper into the solution than it should have. C)All of the above are correct problem explanations O D)The electrode had long direct contact with the environment and the glass membrane got dry.
Basic Clinical Laboratory Techniques 6E
6th Edition
ISBN:9781133893943
Author:ESTRIDGE
Publisher:ESTRIDGE
Chapter6: Basic Clinical Chemistry
Section6.7: Electrolytes
Problem 8RQ
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When a SBIA021 student measured the pH of 1.0M HCI, the student obtained a pH meter and failed to neither check the condition nor the manner of usage of the instrument. The pH meter reading timed out (Did not give a reading) Which of the following problem explanations is most correct?
A)The sample in the glass beaker was being swirled vigourously while the electrode was submerged in it for a reading.
B)The electrode got submerged much deeper into the solution than it should have.
C)All of the above are correct problem explanations O
D)The electrode had long direct contact with the environment and the glass membrane got dry.
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