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Titration What is the molarity of vinegar, CH3COOH if 24.5 mL of 0.284 M NaOH is...
What is the hydroxide ion concentration, OH", of a solution having a pH of 6? a....
What is the hydroxide ion concentration, OH", of a solution having a pH of 6? a. 4 x 100 M Ob. 1 x 10-6 M OC. 1 x 10-8 M Od. 1 x 10-10 M Oe. 1x 106 M The rate of a reaction is given by Rate = k[A]X[B]YCZ. If [A] is doubled while [B] and [C] are held constant, the observed rate is 8 times the original rate. If [B] is doubled while [A] and [C] are held...
Exp 9 titration of vinegar procedure b molarity of NaOH = .0859 ROCEDURE B. DETERMINATION OF...
Exp 9 titration of vinegar procedure b
molarity of NaOH = .0859
ROCEDURE B. DETERMINATION OF CONCENTRATION OF ACETIC ACID IN UNKNOWN SAMPLES Titration of vinegar solutions Trial 1 Trial 2 Trial 3 1. Volume of vinegar solution being titrated in milliliters (mL) 25.00 mL 25.00 mL 25.00 ml 2. Volume of vinegar solution being titrated in Liters (L) 0.0250 L 0.0250 L 0.0250 L 3. Final buret reading in ml 16. 20m 16.316L 16.25ml 4. Initial buret reading in...
6. Vinegar is 5.00% (m/v) acetic acid (CH3COOH). How many milliliters of vinegar would you need...
6. Vinegar is 5.00% (m/v) acetic acid (CH3COOH). How many milliliters of vinegar would you need to react with an excess of baking soda (NaHCO3) in order to generate 10.0 L of carbon dioxide gas at 1.05 atm and a temperature of 25.0°C? 7. Shown below is the aqueous reaction of KNOX, HCl, and SnCl2. 2 KNO2 (aq) + 6 HCl(aq) + 2 SnCl2 (aq) → 2 SnCla (aq) + N20 (g) + 3 H20 (1) + 2 KCl (aq)...
Questions (Pay attention to units and significant figures for the calculations sted molarity of NaOH 1....
Questions (Pay attention to units and significant figures for the calculations sted molarity of NaOH 1. For each of the following circumstances indicate whether the calculated molarity of would be lower, higher or unaffected. Explain your answer in each case a. The inside of the pipet used to transfer the standard HCl solution was wet with water. b. You added 40 mL of water to the titration flask rather than 25 mL. c. The buret, wet with water, was not...
9. 15.00 mL of 0.100 M NaOH are added to 50.00 mL of a buffer solution...
9. 15.00 mL of 0.100 M NaOH are added to 50.00 mL of a buffer solution containing 1.0 mmol CH3COOH and 1.0 mmol CH3C00-. What is the new solution pH? (a) 11.89 (b) 2.11 (c) 7.87 (d) Can't tell / need more info. 10. The equilibrium constant for the below reaction is 4.2 x 10 Which of the following statements is FALSE? CuBr (s) = Cu+ (aq) + Br- (aq) (a) CuBr has poor solubility in water. (b) If 15.0...
1. Consider the titration of 50.0 mL of 0.200 M HNO3 with 0.100 M NaOH solution....
1. Consider the titration of 50.0 mL of 0.200 M HNO3 with 0.100 M NaOH solution. What volume of NaOH is required to reach the equivalence point in the titration? a. 25.0 mL b. 50.0 mL c. 1.00 × 10^2 mL d. 1.50 × 10^2 mL 2. Consider the following acid–base titrations: I) 50 mL of 0.1 M HCl is titrated with 0.2 M KOH. II) 50 mL of 0.1 M CH3COOH is titrated with 0.2 M KOH. Which statement...
33. 20.0 mL of 0.200 M H,SO, is titrated with 0.100 M NaOH. What volume of...
33. 20.0 mL of 0.200 M H,SO, is titrated with 0.100 M NaOH. What volume of 0.100 M NaOH is required to neutralize the acid? Na SO, (aq) + H,SO, (aq) + 2NaOH(aq) 2 H 0(1) A. 10.0 mL B. 20.0 mL C. 40.0 mL D. 80.0 mL How many nitrogen atoms are there in 4.0 moles of trinitrotoluene (TNT), C,H,(NO2),? A. 12 B. 2.0 C. 1.8 x 1014 D. 7.2 x 1024 E. 6.022 x 1023 31. A sample...
Part B: A 30.0-mL volume of 0.50 M CH3COOH (Ka=1.8×10?5) was titrated with 0.50 M NaOH. Calculate the pH after additio...
Part B: A 30.0-mL volume
of 0.50 M CH3COOH (Ka=1.8×10?5) was titrated with 0.50 M NaOH.
Calculate the pH after addition of 30.0 mL of NaOH at 25 ?C.
Express the pH numerically.
MasteringChemistry: ASSIGNMENT #6 (Chapter 16)-Google Chrome https://session.masteringchemistry.com/myct/itemView?assignmentProblem ID=59386 148 CHEM 101 (M03) Help | Close NMENT #6 Titration of Weak Acid with Strong Base Resources Y previous | 19 of 25 | next » ± Titration of Weak Acid with Strong Base A certain weak acid, HA...
1. If 40.00 mL of 0.050 M HCl is titrated with 0.100 M NaOH, what is...
1. If 40.00 mL of 0.050 M HCl is titrated with 0.100 M NaOH, what is the pH at the following "times?" (9 pts) a. Before any NaOH is added. b. After 20.00 mL of NaOH is added. c. After 500 mL of NaOH is added. 2. If 50.00 mL of 0.050 M formic acid, HCHO, (yes, you need to look up the Ka for formic acid) is titrated with 0.050 M NaOH, what is the pH at the following...
titration lab report additional images of lab report QUESTIONS 1. A student masse 0878 of an...
titration lab report
additional images of lab report
QUESTIONS 1. A student masse 0878 of an unknown acid follows the titration procedure required to reach the endpoint on a 10.0 ml Calculate the molar mass of the acid. masses out 0.878 of die in 100 ml volume and titration procedure of Partsherds th the average volume of Non to reach the endpoint on 100 ml aliquot of the acid solution is 18.3 m . 2. In the vinegar titrations (Part...
What is the hydroxide ion concentration, OH", of a solution having a pH of 6? a. 4 x 100 M Ob. 1 x 10-6 M OC. 1 x 10-8 M Od. 1 x 10-10 M Oe. 1x 106 M The rate of a reaction is given by Rate = k[A]X[B]YCZ. If [A] is doubled while [B] and [C] are held constant, the observed rate is 8 times the original rate. If [B] is doubled while [A] and [C] are held...
Exp 9 titration of vinegar procedure b
molarity of NaOH = .0859
ROCEDURE B. DETERMINATION OF CONCENTRATION OF ACETIC ACID IN UNKNOWN SAMPLES Titration of vinegar solutions Trial 1 Trial 2 Trial 3 1. Volume of vinegar solution being titrated in milliliters (mL) 25.00 mL 25.00 mL 25.00 ml 2. Volume of vinegar solution being titrated in Liters (L) 0.0250 L 0.0250 L 0.0250 L 3. Final buret reading in ml 16. 20m 16.316L 16.25ml 4. Initial buret reading in...
6. Vinegar is 5.00% (m/v) acetic acid (CH3COOH). How many milliliters of vinegar would you need to react with an excess of baking soda (NaHCO3) in order to generate 10.0 L of carbon dioxide gas at 1.05 atm and a temperature of 25.0°C? 7. Shown below is the aqueous reaction of KNOX, HCl, and SnCl2. 2 KNO2 (aq) + 6 HCl(aq) + 2 SnCl2 (aq) → 2 SnCla (aq) + N20 (g) + 3 H20 (1) + 2 KCl (aq)...
Questions (Pay attention to units and significant figures for the calculations sted molarity of NaOH 1. For each of the following circumstances indicate whether the calculated molarity of would be lower, higher or unaffected. Explain your answer in each case a. The inside of the pipet used to transfer the standard HCl solution was wet with water. b. You added 40 mL of water to the titration flask rather than 25 mL. c. The buret, wet with water, was not...
9. 15.00 mL of 0.100 M NaOH are added to 50.00 mL of a buffer solution containing 1.0 mmol CH3COOH and 1.0 mmol CH3C00-. What is the new solution pH? (a) 11.89 (b) 2.11 (c) 7.87 (d) Can't tell / need more info. 10. The equilibrium constant for the below reaction is 4.2 x 10 Which of the following statements is FALSE? CuBr (s) = Cu+ (aq) + Br- (aq) (a) CuBr has poor solubility in water. (b) If 15.0...
33. 20.0 mL of 0.200 M H,SO, is titrated with 0.100 M NaOH. What volume of 0.100 M NaOH is required to neutralize the acid? Na SO, (aq) + H,SO, (aq) + 2NaOH(aq) 2 H 0(1) A. 10.0 mL B. 20.0 mL C. 40.0 mL D. 80.0 mL How many nitrogen atoms are there in 4.0 moles of trinitrotoluene (TNT), C,H,(NO2),? A. 12 B. 2.0 C. 1.8 x 1014 D. 7.2 x 1024 E. 6.022 x 1023 31. A sample...
Part B: A 30.0-mL volume
of 0.50 M CH3COOH (Ka=1.8×10?5) was titrated with 0.50 M NaOH.
Calculate the pH after addition of 30.0 mL of NaOH at 25 ?C.
Express the pH numerically.
MasteringChemistry: ASSIGNMENT #6 (Chapter 16)-Google Chrome https://session.masteringchemistry.com/myct/itemView?assignmentProblem ID=59386 148 CHEM 101 (M03) Help | Close NMENT #6 Titration of Weak Acid with Strong Base Resources Y previous | 19 of 25 | next » ± Titration of Weak Acid with Strong Base A certain weak acid, HA...
1. If 40.00 mL of 0.050 M HCl is titrated with 0.100 M NaOH, what is the pH at the following "times?" (9 pts) a. Before any NaOH is added. b. After 20.00 mL of NaOH is added. c. After 500 mL of NaOH is added. 2. If 50.00 mL of 0.050 M formic acid, HCHO, (yes, you need to look up the Ka for formic acid) is titrated with 0.050 M NaOH, what is the pH at the following...
titration lab report
additional images of lab report
QUESTIONS 1. A student masse 0878 of an unknown acid follows the titration procedure required to reach the endpoint on a 10.0 ml Calculate the molar mass of the acid. masses out 0.878 of die in 100 ml volume and titration procedure of Partsherds th the average volume of Non to reach the endpoint on 100 ml aliquot of the acid solution is 18.3 m . 2. In the vinegar titrations (Part...
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