Innovating Science™ Distance Learning: Acids, Bases and the pH Scale

Description

• Objectives: Examine effects of acids and bases on several pH indicators Determine pH of several common household materials Use knowledge gained to determine the identity of four unknown solutions Includes: 5 mL deionized water 5 mL dilute acid (0.1 M HCl) 5 mL dilute base (0.1 M NaOH) 5 mL litmus blue (0.5%) 5 mL methyl red (0.02%) 5 mL bromothymol blue (0.5%) 5 mL phenolphthalein (1%) 5 mL vinegar 5 mL household ammonia 5 mL soap solution 5 mL filtered water 5 mL vitamin C solution 5 mL unknown solution No
• 1 (water) 5 mL unknown solution No
• 2 (dilute base) 5 mL unknown solution No
• 3 (phenolphthalein) 5 mL unknown solution No
• 4 (dilute acid) 1 wide-range pH test strips (50 Pk.) 2 reaction trays Note: Instruction manual and enough materials for two groups included