1) 44.7 mL of 0.233 M AgNO3 (silver nitrate) are needed to titrate 10.0 mL of a CaCl2 (calcium chloride) solution to the

[answerhappygod]

1) 44.7 mL of 0.233 M AgNO3 (silver
nitrate) are needed to titrate 10.0 mL of a
CaCl2 (calcium chloride) solution to the endpoint.
What is the molarity of the calcium chloride solution?
2) Identify the conjugate acid-base pair in the reaction below.
For each pair, indicate which specie is the acid and which specie
is the base.
2. HCl +S-2 ---->
-HS- + Cl-
3) A buffered solution is prepared using
CH3COOH and CH3COO- Write the
reaction that occurs when a strong acid is added to this buffered
solution.
4) A buffered solution is prepared using
H2CO3 and HCO3-.
Write the reaction that occurs when a strong base is added to this
buffered solution.