Report Sheet Instructor/Section Lab Partner Date Name Table 1: pH of Common Subs
ID: 560913 • Letter: R
Question
Report Sheet Instructor/Section Lab Partner Date Name Table 1: pH of Common Substances Blue Red orHydrion from cabbage Litmus Litmus Basicpaper meter juice Part 1. Household Colo Substance Cola Vinegar Glass cleaner Distilled water Dish s Household Ammonia Instant coffee Baking soda Antacid Aspirin Rock salt Acetaminophen Discussion Questions: 1. Identify 2 of the common household materials that would be considered acids and identify 2 substances that would be considered bases. Write the 4 materials names on the figure below. 0 7 14 PHExplanation / Answer
Vinegar is also known as Acetic acid- chemically weak organic acid called ethanoic acid, used as preservative in food items. Aspirin is the other acidic substance used as an analgesic(pain killer) tablet-chemically it is acetyl salicylic acid.
baking soda - or Sodium bicarbonate NaHCO3 is a weak base, used in cooking for baking as leavening agent. Antacids are also bases used for acidity problems -they are weak bases like Bicarbonates of Mg and Al
The pH of acids are less than 7 and pH of bases are greater than 7. So the pH value of Vinegar and Aspirin are less than 7 and pH of Baking soda and Antacids are greater than 7.