# For solution 7 calculate the ph after the addition of

• Lab Report
• 7
• 100% (83) 83 out of 83 people found this document helpful

This preview shows page 6 - 7 out of 7 pages.

##### We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
The document you are viewing contains questions related to this textbook.
Chapter 12 / Exercise 3
Microeconomics
Arnold
Expert Verified
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.
##### We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
The document you are viewing contains questions related to this textbook.
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?