CHE 215L Study Guide - Midterm Guide: Chief Operating Officer, Sodium Acetate, Sodium Formate

• School: Quinnipiac University
• Department: Chemistry
• Course: CHE 215L
• Professor: Collins

Document Summary

Then manipulate the ratios to get the desired ph: problem: a solution buffered at ph 5. 00 is needed in an experiment. If so, calculate the ratio of acetate ion to acetic acid is needed: practice problems, example: what mass of solid sodium formate (of mw 68. 01) must be added to. 68. 01 = 5. 862 g: do problems 9. 27 and 9. 29 in your textbook, suppose that you had a solution that was 0. 165 m hocl. Hocl, what is the ph of the solution: what would be the new value for the ph for the solution if 14. 3 grams of. Ca(ocl)2 was added to 1. 0 l of the solution: would the value of the [h3o+] increase, decrease or stay the same in the 0. 165m. 2: calculate the ph of a buffer that is 0. 10 m in kh2po4 and 0. 050 m in na2hpo4. What is the ph after adding 5. 0 ml of 0. 20 m hcl to 0. 10 l of this buffer.