Precipitation and Solubility of
ionic salts and their equilibrium in water
M+(aq) + A-(aq)
Some salts are very soluble (> 0.1 M).
Refer to solubility rules.
Some salts are sparingly soluble (< 0.1 M)
sometimes referred to as insoluble.
Problem Set 6
Due October 20, 2004
1. Which of the following statements is not a proper comparison of the titration
curves of acid samples with different Ka values?
A. As the value of Ka decreases, the buf
Problem Set 3
Due September 29, 2004
1. Which one of the conjugate bases of the following Brnsted-Lowry acids is
SO42- for HSO4H2SO4 for HSO4ClO- for HClO
NH3 for NH4+
HS- for H2S
Problem Set 2
Due September 22, 2004
1. Calculate the equilibrium partial pressure of PCl3 in a 3.00-L vessel that was charged
with 0.123 atm of PCl5.
PCl3(g) + Cl2(g)
(Keq = 0.0121)
A buffer solution is any solution that resists
change in pH.
Such a solution consists of:
A. A weak acid + the salt of its conjugate base
B. A weak base + the salt of its conjugate acid
H+(aq) + X-(aq)
Ka = ([H+][X-])/[HX] = [H+
Thierry Romuald Manga
Chemistry I Grasp II
Magnesium oxide empirical formula
The purpose of this lab was to conduct a quantities chemical
experiment and prepare laboratory. We will be analyzing a sample of mgo.
In this experiment we wil