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11 Nov 2019
Number #1, 2,3, and 4
F8 F9 Lab7: pH of Household Items Andrewsky (adapted from Lucas) CHEM&121 AI (8 pts) Table #1 : pH of household substances usin g litmus paper and natural indicators plH determined using pH Color change using cabb Substance Baking soda Vinegar Carbonated water Bleach Lemon juice Window cleaner Aspirin Dish soap Toothpaste Antacid tablets Drain clcaner Household ammonia Unknown solution # paper juice indicator 8 Ligh green) deep blue re 5 dark oai(orarge) lght phk putple clear (pale ydlew) red g ark gren 3 orange derp green to pink pale purple purple (ight 4 copper orange 2 purpe 0 blue ue Yellow yellow /gre red Use multiple "XX's" to denote data not collected for certain substances as seen for the unknown solution. COMPLETING THE REPORT Work the pre-lab questions before your lab day. Your instructor will check in class that these uestions have been done. In the lab, be sure that all data is recorded by each member of a lab team so that each will have the necessary information to complete the calculations later. After performing the experiment, complete the calculation sections by providing the results indicated. Show work for cach result in the space available or attach additional pages in needed, and include all unit labels. Be careful to follow the significant figure conventions as you round off the results of calculations to the appropriate decimas place
Number #1, 2,3, and 4
F8 F9 Lab7: pH of Household Items Andrewsky (adapted from Lucas) CHEM&121 AI (8 pts) Table #1 : pH of household substances usin g litmus paper and natural indicators plH determined using pH Color change using cabb Substance Baking soda Vinegar Carbonated water Bleach Lemon juice Window cleaner Aspirin Dish soap Toothpaste Antacid tablets Drain clcaner Household ammonia Unknown solution # paper juice indicator 8 Ligh green) deep blue re 5 dark oai(orarge) lght phk putple clear (pale ydlew) red g ark gren 3 orange derp green to pink pale purple purple (ight 4 copper orange 2 purpe 0 blue ue Yellow yellow /gre red Use multiple "XX's" to denote data not collected for certain substances as seen for the unknown solution. COMPLETING THE REPORT Work the pre-lab questions before your lab day. Your instructor will check in class that these uestions have been done. In the lab, be sure that all data is recorded by each member of a lab team so that each will have the necessary information to complete the calculations later. After performing the experiment, complete the calculation sections by providing the results indicated. Show work for cach result in the space available or attach additional pages in needed, and include all unit labels. Be careful to follow the significant figure conventions as you round off the results of calculations to the appropriate decimas place
Jean KeelingLv2
11 Nov 2019