Khanyisile Maxhalanga

This page lists questions and answers that were posted by visitors named Khanyisile Maxhalanga.

Questions

The following questions were asked by visitors named Khanyisile Maxhalanga.

Cocaine is a weak base, and the aqueous ionization can be indicated as: C(aq) + H2O ≡ CH+(aq) + - OH(aq) In a 0.0040 M solution of cocaine, the ratio of - OH(aq) ions to cocaine molecules is 1.0/120. What is the value of Kb for cocaine?

Sorbic acid, HC6H7O2, is a weak monoprotic acid, with Ka = 1.7 × 10-5. What is the pH of a solution containing 2.46 g of potassium sorbate in 250 cm3 of solution?

Answers

The following answers were posted by visitors named Khanyisile Maxhalanga.