Name ______________________________
Lab (Circle) W AM F AM F PM Date _______________
Partner______________________________
Post-Lab Questions – These are usually related to the techniques or calculations done during the lab.
For your information, the formulas for the active ingredients in the household chemicals that you used
are below
1. Fill in the name of these compounds in the blank.
Lysol Toilet Bowl Cleaner
HCl
______________________________________
Baking Soda
NaHCO3
______________________________________
Vanish Crystal Bowl Cleaner
NaHSO4
______________________________________
( I gave thew wrong formula to Wdnesday’s lab for Vanish. This formula is correct)
Clorox Liquid Bleach
NaClO
______________________________________
2. In solutions containing the HCO3- ion there is always some CO32- ion present from this reaction.
HCO3-(aq)  H+(aq ) + CO32-(aq)
Using this fact, what are the formulas any precipitates you found in the reactions with baking soda?
_____________________________________________________________________________________
3. You should have found gas evolving reactions for two of the reactions with 6 M HCl. Write balanced
equation for these two reactions. (Hint: one of the reactions is in the lab write up.)
4. Thymol blue changes color with acidity: Strongly acid = red, strongly basic = blue, and intermediate
acidity = green or yellow. What are the acidities of solutions of the household chemicals in this lab?
Lysol Toilet Bowl Cleaner _______________________Baking Soda
______________________
Vanish Crystal Bowl Cleaner ______________________ Clorox Liquid Bleach___________________