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- The data below were collected using a pH electrode and a set of pH standards. What is the pH of an unknown sample if the potential reading is 200 mV? a) 3.0 b) 3.5 c) 4.0 d) 5.0 e) none of thesecomplete: reference electrode is N O T ___ i . i n c o n s t a n t p o t e n t I a l ii. r e s p o n d I n g t o a na l y t e c o n c e n t r at I o n iii. g i v i n g s t a bl e r e s p o n s eWhy is it not possible to measure single electrode potential?
- What is the difference between a calibration curve and a standard curve in analytical chemistry? How can you distinguish between a reversible and an irreversible electrochemical reaction? What is the difference between accuracy and precision in analytical chemistry?[item#2b] *refer to the photo below*What does mass gain and mass loss mean in a thermogravimetric analysis?