1. Describe the hazards associated with each of the chemicals used in this lab.

2. Explain why it is crucial that the pipet always be held at the same angle when delivering drops.

3. Give the definition of solubility product and give an example of a situation where it would prove useful.

4. Give the solubility product constant expression for:

CaC2O4 (s) <==> Ca+2 (aq) + C2O4-2 (aq)

Explain your rationale for placing each term where you did and why you did/did not include a term.

5. Looking at your data sheet (p14), explain in detail how you get from 'volume of Na2S2O3 solution' to Ksp of Sr(IO3)2.