fill in the blanks please a. In the laboratory, a general chemistry student measured the pH of a 0.537 M aqueous solution of trimethylamine, (CH3)3N to be 11.781. Kb(experiment) =____________________ b. In the laboratory, a general chemistry student measured the pH of a 0.418 M aqueous solution of pyridine, C5H5N to be 9.415. Kb(experiment) =____________________

Use ICE table, solve Ka, and the pH based off table/Ka. Show all work, thank you!

Please answer Q1

The table below shows the tolerance of different species in a body of water. Critical pH Levels for Aquatic Organisms Animal Critical pH Level Snails 9. Clams 6. Bass 5.5 Crayfishes 5.5 Mayflies 5.5 Trout Salamanders Perch 4.5 Frogs 4. Source: U.S. EPA Using the data from the table above, which of the following statements best identifies and describes the organism or organisms with the smallest tolérance range to a change in pH in an aquatic environment?

Calculate the pH of an aqueous solution that is 3.24 x 10-1 M oxopropanoic acid and 0.101 M sodium oxoproanoate? [HINT: MW sodium oxopropanoate = 110.05 g/mol; Ka oxopropanoic acid = 3.30 x 10-3] Answer Choices  pH = 1.974 pH = 0.563 pH = 2.994 pH = 4.327

Write the Henderson-Hasselbalch equation for a propanoic acid solution (CH₂CH₂CO₂H, pKa [HA] pH = = 4.352 || pH = 4.874 Answer Bank [A] + log Using the equation to calculate the quotient [A¯]/[HA] at three different pH values. [A-] [HA] [A-] [HA] - o = pka pH = 4.874).

Ff.36.