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Part C: Unknown pH 1) What color do you see for each sample? Be specific. a....
Tube Order L -> R: 1) Unknown, 2) HCI (aq), 3) H20 (0), 4) NaHCO3(aq), 5)...
Tube Order L -> R: 1) Unknown, 2) HCI (aq), 3) H20 (0), 4) NaHCO3(aq), 5) Na2CO, (aq) 6) NaOH (aq) A) Unknown 1: Club Soda B) Unknown 2: Alkaline Health Water C) Unknown 3: Bleach Spray D) Unknown 4: Acetate Buffer HL C) Unknown 3: Bleach Spray D) Unknown 4: Acetate Buffer E) Unknown 5: Carbonate Buffer F) Unknown 6: Vodka Part C: Unknown pH 1) What color do you see for each sample? Be specific. a. Unknown 1:...
Number#1,2,3and 4 (8 points) Table 1: pH of Household Substances using Litmus Paper and Natural Indicators...
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...
Part B: Standard pH What color do you see for each sample? Be specific. a. HCl(aq)...
Part B: Standard pH What color do you see for each sample? Be specific. a. HCl(aq) = b. CH3COOH (aq) = C. H20 (1) = d. NaHCO3(aq) = e. Na2CO3(aq) = f. NaOH (aq) =
Acids, Bases, and Buffers CHEM& 121 Lab Partner Data Part A Red pH Red Cabbage Test Tube Blue Lit...
Acid, bases and buffers
Acids, Bases, and Buffers CHEM& 121 Lab Partner Data Part A Red pH Red Cabbage Test Tube Blue Litmus (color) Solution Juice (color)values (colbr) no reaction 2.890 Magenta 11.37dark green Red blue no reaction 2.700 Magenta lemon juice soft drink drain cleaner no reaction detergent baking soda no reaction red red no raction 3.530 Purple blue 12.56 no reactionno reaction 8.700 dark green 9.350 teal/green Part B Total Number of rops of HCl(aq) Added DI Water...
Answer the following Pro-Lab Study Questlona 1. What does the pH of a sclution tell you? 2. What is ncutralization?...
Answer the following
Pro-Lab Study Questlona 1. What does the pH of a sclution tell you? 2. What is ncutralization? 3. What is a baffer? pH Colors Using Red Cabbage Indicator A plH Calors of Acldle Salutions Colors of Basle Solations pll 1 8 2 3 10 11 12 6 L3 Color of Neutral Solutien 7 119 7 7 6 5 4 2 T R LO LLI 3
CHM130LL Lab 12 - Exploring Indicators Name: MEID Complete the following items by typing into the...
CHM130LL Lab 12 - Exploring Indicators Name: MEID Complete the following items by typing into the text box provided. The boxes will increase in size if additional space is necessary. Please be sure to save all your work as an MS Word document to submit properly. Part I - Calibration of Red Cabbage Juice Indicator A. Data Table 1: Calibration of Red Cabbage Juice Indicator with a Base Fill in the data table. Since your goal is to add sufficient...
pH= 4.75 + log (5/5)= 4.75 pH= 4.75 + log (1/5)= 4.05 pH= 4.75 + log...
pH= 4.75 + log (5/5)= 4.75 pH= 4.75 + log (1/5)= 4.05 pH= 4.75 + log (1/10)= 3.75 pH= 4.75 + log 10= 5.75 pH= 4.75 + log 5= 5.44 Table 3: Sodium Acetate Data Sodium Acetate (g) Molarity of Sodium Acetate (Step 7) 4.0 g 0.4876 M Table 4: Buffer Solutions and pH Readings for Beakers A, B, C, D, and E Buffer mL of Acetic Acid mL of Sodium Acetate pH measured A 5 5 4.3 B 5...
unknown solutions A and B are 0.1 M solutions of either HCI or NaOH. According to your pH measurement, which is which...
unknown solutions A and B are 0.1 M solutions of
either HCI or NaOH. According to your pH measurement, which is
which
10% Bleach Question: 1. Unknown solutions A and B are 0.1 M solutions of either HCl or NaOH. According to your pH measurements, which is which? 1 2. The pH of pure water is 7. Comment on how closely your measured pH values from each measurement method compared to the expected value. Which method was more appropriate for...
Answer all assigned questions and problems, and show all work. Determine the pH of (a) a...
Answer all assigned questions and problems, and show all work. Determine the pH of (a) a 0.40 MCH3CO2H solution, (b) a solution that is 0.40 MCH3CO2H and 0.20 MNaCH3CO2. (8 points) (Reference: Chang 16.5) Which of the following solutions can act as a buffer? (a) KCl/HCl, (b) KHSO4/H2SO4, (c) KNO2/HNO2.(5 points) (Reference: Chang 16.9) Calculate the pH of the buffer system made up of 0.15 MNH3/0.35 MNH4Cl. (5 points) (Reference: Chang 16.11) The pH of a bicarbonate-carbonic acid buffer is...
Exp. 12 Name: ONLINE POSTLAB QUESTIONS Type: MT Title: Litmus 1 1) For 6 points, match...
Exp. 12 Name: ONLINE POSTLAB QUESTIONS Type: MT Title: Litmus 1 1) For 6 points, match (identify) whether the following substances are acidic basic or neutral. a. Sugar = b. Ammonia = c. Vinegar = d, NaHCO3 = e. NaCl = f. Drain Cleaner = Type: S Title: Litmus 2 2) For 1 point, true or false. It is possible to get two no change results for dunking Red Litmus Paper and Blue Litmus Paper into a solution. a) True...
Tube Order L -> R: 1) Unknown, 2) HCI (aq), 3) H20 (0), 4) NaHCO3(aq), 5) Na2CO, (aq) 6) NaOH (aq) A) Unknown 1: Club Soda B) Unknown 2: Alkaline Health Water C) Unknown 3: Bleach Spray D) Unknown 4: Acetate Buffer HL C) Unknown 3: Bleach Spray D) Unknown 4: Acetate Buffer E) Unknown 5: Carbonate Buffer F) Unknown 6: Vodka Part C: Unknown pH 1) What color do you see for each sample? Be specific. a. Unknown 1:...
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...
Part B: Standard pH What color do you see for each sample? Be specific. a. HCl(aq) = b. CH3COOH (aq) = C. H20 (1) = d. NaHCO3(aq) = e. Na2CO3(aq) = f. NaOH (aq) =
Acid, bases and buffers
Acids, Bases, and Buffers CHEM& 121 Lab Partner Data Part A Red pH Red Cabbage Test Tube Blue Litmus (color) Solution Juice (color)values (colbr) no reaction 2.890 Magenta 11.37dark green Red blue no reaction 2.700 Magenta lemon juice soft drink drain cleaner no reaction detergent baking soda no reaction red red no raction 3.530 Purple blue 12.56 no reactionno reaction 8.700 dark green 9.350 teal/green Part B Total Number of rops of HCl(aq) Added DI Water...
Answer the following
Pro-Lab Study Questlona 1. What does the pH of a sclution tell you? 2. What is ncutralization? 3. What is a baffer? pH Colors Using Red Cabbage Indicator A plH Calors of Acldle Salutions Colors of Basle Solations pll 1 8 2 3 10 11 12 6 L3 Color of Neutral Solutien 7 119 7 7 6 5 4 2 T R LO LLI 3
CHM130LL Lab 12 - Exploring Indicators Name: MEID Complete the following items by typing into the text box provided. The boxes will increase in size if additional space is necessary. Please be sure to save all your work as an MS Word document to submit properly. Part I - Calibration of Red Cabbage Juice Indicator A. Data Table 1: Calibration of Red Cabbage Juice Indicator with a Base Fill in the data table. Since your goal is to add sufficient...
unknown solutions A and B are 0.1 M solutions of
either HCI or NaOH. According to your pH measurement, which is
which
10% Bleach Question: 1. Unknown solutions A and B are 0.1 M solutions of either HCl or NaOH. According to your pH measurements, which is which? 1 2. The pH of pure water is 7. Comment on how closely your measured pH values from each measurement method compared to the expected value. Which method was more appropriate for...
Exp. 12 Name: ONLINE POSTLAB QUESTIONS Type: MT Title: Litmus 1 1) For 6 points, match (identify) whether the following substances are acidic basic or neutral. a. Sugar = b. Ammonia = c. Vinegar = d, NaHCO3 = e. NaCl = f. Drain Cleaner = Type: S Title: Litmus 2 2) For 1 point, true or false. It is possible to get two no change results for dunking Red Litmus Paper and Blue Litmus Paper into a solution. a) True...
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