CHEMISTRY 11
UNIT 5 TEST
Solutions, Molarity, Dilution, Dissociation,
Precipitation, Neutralization
40 to 45 marks
QUESTION TYPES:
/ moles / M / molar mass
1
grams
2
M1V1=M2V2 of one solution diluted to a larger volume.
3
4
Calculate final ion concentrations when two solutions are mixed.
FOR THIS QUESTION, CLEARLY
• Show all calculations in full, including significant figures throughout
• Write all necessary dissociation equations
• State the final ION concentrations
Calculate final ion concentrations when two solutions are mixed,
after a precipitate forms in the mixture
FOR THIS QUESTION, CLEARLY
• Show all calculations in full, including significant figures throughout
• Write all necessary dissociation equations
• Identify the precipitate(s) formed
• Identify the limiting and excess reagents
• State the final ION concentrations
5
Calculate the concentration of the unknown solution in an acid-base
neutralization. Describe how to rinse and set up the equipment to perform this
determination in the lab.
6 Complete a given precipitation / solubility grid.
Identify where PPTs form by writing “PPT” in the appropriate boxes.
Write “S” for soluble.
Write the net ionic equations of all precipitates formed.