Buffer Calculation Questions um Question 14 ( points)
Calculate the pH of a buffer that contains 2.71 mol/L of acetic acid,
HC2 H302, and 2.86 mol/L of sodium acetate, NaC2 H2O2. Given
that the Ka of acetic acid is 1.8 x 10-5. Answer to 1 decimal place.
Your
Answer

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound

Calculate the ph of a .10m nh4cl solution. the kb value for nh3 is 1.8×10^-5