For solution 7 calculate the ph after the addition of

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Microeconomics
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Chapter 12 / Exercise 3
Microeconomics
Arnold
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1. For solution 7, calculate the pH after the addition of 1.0 and 20.0 mmol of HCl and NaOH, respectively. Compare your calculated values to your experimental ones.
2. A researcher wants to make a buffer of pH 4.6 using nitrous acid (Ka = 4.0E-4) and sodiumnitrite.a. Determine the approximate ratio of the two buffer components that she should use to get the desired pH.
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Microeconomics
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Chapter 12 / Exercise 3
Microeconomics
Arnold
Expert Verified
b. Evaluate the researcher’s decision to use the nitrous acid / nitrite buffering system.
3. The pKa of HF is 3.17.a. Calculate the pH of a 1L solution that is 1M HF and 1.5M NaF.
b. What is the pH of this solution after addition of 50ml of 10M HCl?
4. Is it possible to make a pH 6 buffer with simPhBuffer? If yes, how? If no, what would we have to change in the next version of simPhBuffer?

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