Question

Number#1,2,3and 4

(8 points) Table 1: pH of Household Substances using Litmus Paper and Natural Indicators PH Determined Using pH paper Color Change using Cabbage Juice Indicator Substance Baking Soda light bu s Vinegar 1light pin Carbonated Water 4 Bleach s Lemon Juice super grt e Pink oreer ghrt pink 2 Window Cleaner 7 Aspirin 4t 2 8 Dish Soap (n wvite blue Toothpaste Antacid Tablets Drain Cleaner Household Ammonia Unknown Solution # light blue 2. beige light 9mi 1乙 Use multiple "XX's" to denote data not collected for certain substances as seen for the unknown solution

Answer 1

Indicator rightarrow calebbage juice At pH = (5 - 7) rightarrow purple colour (natural) pH lessthanorequalto 4 rightarrow red colour (acid) pH greaterthanorequalto 8 rightarrow green colour (base) Post-lab Questions: - 1)According to the data of the table: - The colour of unknown solution rightarrow light pink Two household substances are light pink according to the data of table: -1 vinegar (pH = 4) Aspirin (pH = 4) The colour of unknown solution is same like vinegar. So vinegar is the unknown household substance 2) vinegar, Lemon juice, Aspirin, Dish Soap rightarrow these are acidic. Because their pH is less than or equal to 4 carbonated water is weakly acidic. Because the colour observed is super light pink but pH is in between 5 &7. 3) Bleach, window cleaner, antacid Tale lets, Drain, Household ammonia rightarrow These are basic pH of these substance is greater or equal to 8 4)NH_3 (eq) + HClO_4 (eq) doubleheadarrow ClO^-_4 (eq) + NH^+_4 (eq) conjugate acid rightarrow