Blog

Classify HC2H3O2 as a strong acid, weak acid, strong base, or weak base, and then answer the following question. What is the pH of 0.08 M HC2H3O2 (aq)?   a. 4.74 b. 5.84 c. 2.92 d. 1.10 e. 11.08

 Marx and Engels accused capitalist corporations of all but which of the following?

 Which of the following is not true of the corporate response to the problem of pollution?

The ventral body cavity contains all of the organs listed below, EXCEPT:

A structure that secretes hormones into the blood is

Which of the following reactions is associated with the definition of Kb?

The conjugate base of a weak acid is

The hydrogen sulfate or bisulfate ion HSO4– can act as either an acid or a base in water solution. In which of the following equations does HSO4– act as an acid?

How many moles of solid NaF would have to be added to 1.0 L of 1.90 M HF solution to achieve a buffer of pH 3.35? Assume there is no volume change. (Ka for HF = 7.2 ´ 10–4)

Solubility Products (Ksp)                         BaSO4             1.5 ´ 10–9              CoS                 5.0 ´ 10–22                         PbSO4             1.3 ´ 10–8              AgBr               5.0 ´ 10–13