A solution contains 68 mM lactic acid (pK, 3.86) and 32 mM potassium lactate. What is the pH after 12 mM NaOH is added? Be sure your answer includes the formula you use to solve the problem.

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.