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Image A Image B 3 KEY = HCI = cr Image C Image D H2O a....
Image A Image B 3 KEY = HCI = cr Image C Image D H2O a. Which image best represents a solution of 0.1 M HCl before any NaOH was added? b. Which image best represents the solution of 0.1 M HCl when the neutralization reaction was half finished? c. Which image best represents the solution of 0.1 M HCl right before the neutralization reaction was finished? d. Which image best represents the solution of 0.1 M HCI exactly at...
Which balanced reaction best represents what is happening when five drops of strong base is added...
Which balanced reaction best represents what is happening when five drops of strong base is added to the buffer solution? HC2H302 + HCl + H2C2H302CI+ CI Na C2H302 + HCl + HC2H302 + N a CI OHC2H2O2 + NaOH → Na C2H302 + H2O O Na C2H2O2 + NaOH → Na2 C2H302 + H20
V. Heat of reaction for NaOH (s) + HCI (aq) → Naci (aq) + H20 ()-dH(net) Direct determination Mas...
need help with calculations
V. Heat of reaction for NaOH (s) + HCI (aq) → Naci (aq) + H20 ()-dH(net) Direct determination Mass NaOH Moles NaOH = moles Mass of HCI solution Final temp. of solution Initial temp. of solution AT solution 30 23 C 4 C AH(net)(Direct) per mole NaOH Calculation Indirect determination Heat of dissolution of NaOH (s) [AH(diss)] Mass NaOH Moles NaOH moles Mass of water Final temp. of solution Initial temp. of solution AT solution AH(diss)-...
8 The Following reaction is classified as: 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H20(0) b)...
8 The Following reaction is classified as: 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H20(0) b) precipitation reaction oxidation-reduction reaction d) acid-base neutralization reaction 9. c) single replacement What is the volume of 0.1220 M HNO, solution required to completely neutralize 17.50 ml of 0.1211M NAOH? Reaction is: HNO, (aq) + NaOH(aq) -NaNO, (aq) + H:0 (aq) a) 17.37 ml b) 16.31 ml. c) 15.39 ml. d) 17.84 mL 10. Which one of the following reactions is the reduction reaction?...
15. Which mixture would be the best buffer? a. 1M HF; 0.01 MF d. 0.1 M HC2H2O2; 0.01 M C2H302 b. 2 M HCl; 0.5 MCI e...
15. Which mixture would be the best buffer? a. 1M HF; 0.01 MF d. 0.1 M HC2H2O2; 0.01 M C2H302 b. 2 M HCl; 0.5 MCI e. 0.003 M HCIO; 0.003 M CIO C. 0.8 M H2C2O4;0.8 M NaHC204 16. Which indicator would be the best for a titration of an hypolodous acid (HIO), Ka= 2 x 10-11 TABLE 16.1 Ranges of Color Changes for several Acid-Base Indicators 7 . . 10 11 12 Dywa Violet Thyme a. Crystal violet...
Question two A buffer solution is able to maintain a constant pH when small amounts of...
Question two
A buffer solution is able to maintain a constant pH when small amounts of acid or base are added to the buffer. Consider what happens when 1 mL of a 5 M solution is added or 0.005 mol of HCl are added to a 100.0 ml solution acetic acid buffer that contains 0.0100 mol of Acetic acid, HC,H,O,, and 0.0100 mol of sodium acetate, NaC,H,O2. The initial concentration of both the acid and the base are 0.0100 mol/0.1000...
I need it right now, please help me?? PROCEDURE PART I: DILUTING THE VINEGAR SOLUTION The...
I
need it right now, please help me??
PROCEDURE PART I: DILUTING THE VINEGAR SOLUTION The vinegar solution must be diluted by a factor of 5 to be suitable for titration. 1. Obtain - 20 ml of the stock vinegar solution from the fume hood. 2. Using the 10-ml. pipet, pipet" 10 mL of the stock solution to a 50-ml volumetric flask. 3. Fill the volumetric flask to the calibration line with distilled water. Be sure not to go over...
14. Calculate the pH of 26 x 102 M KOH. (1) 1241 (2)1550 (3)208 47 15....
14. Calculate the pH of 26 x 102 M KOH. (1) 1241 (2)1550 (3)208 47 15. Calculate the H* ion cancentration in lemon juice having a pH of 2 40 (1)401 00 59 4.0-10-ง M (2) 250 M the [H'] in offee than in neutral water? manganese(l) cartonate (MncO] is 42x 10 M. What is Kap for this oompound? (3) 0.38 M 440x0M 16. The pH of coffee is approximately 5.0. How mamy times groater is (1) 200 (2) 100...
can someone help me answer these 5 questions and figire this graph out please? Acid-Base Titration...
can
someone help me answer these 5 questions and figire this graph out
please?
Acid-Base Titration of a Weak Acid with a Strong Base: Determination of K. Introduction: You will be titrating a solution of a weak acid with 0.100 M NaOH, while monitoring the reaction using a pH meter. Weak acids have characteristic acid-ionization constants, K. The purpose of this lab is to use the titration to determine the value of this constant for the weak acid called “benzoic...
The following primary standards can be used for the standardization of bases except. a. Benzoic acid...
The following primary standards can be used for the standardization of bases except. a. Benzoic acid b. Oxalic acid c. CaCO3 d. KHP A solution that may contain NaOH, Na 2CO3, and NaHCO3, alone or in compatible combination was titrated with 0.1200 M HCl. The volume of the acid required to reach the phenolphthalein endpoint was 25.67 mL while 38.13 mL to reach the methyl red endpoint. What are the components of the mixture? a. Na2CO3 only b. NaOH only...
Image A Image B 3 KEY = HCI = cr Image C Image D H2O a. Which image best represents a solution of 0.1 M HCl before any NaOH was added? b. Which image best represents the solution of 0.1 M HCl when the neutralization reaction was half finished? c. Which image best represents the solution of 0.1 M HCl right before the neutralization reaction was finished? d. Which image best represents the solution of 0.1 M HCI exactly at...
Which balanced reaction best represents what is happening when five drops of strong base is added to the buffer solution? HC2H302 + HCl + H2C2H302CI+ CI Na C2H302 + HCl + HC2H302 + N a CI OHC2H2O2 + NaOH → Na C2H302 + H2O O Na C2H2O2 + NaOH → Na2 C2H302 + H20
need help with calculations
V. Heat of reaction for NaOH (s) + HCI (aq) → Naci (aq) + H20 ()-dH(net) Direct determination Mass NaOH Moles NaOH = moles Mass of HCI solution Final temp. of solution Initial temp. of solution AT solution 30 23 C 4 C AH(net)(Direct) per mole NaOH Calculation Indirect determination Heat of dissolution of NaOH (s) [AH(diss)] Mass NaOH Moles NaOH moles Mass of water Final temp. of solution Initial temp. of solution AT solution AH(diss)-...
8 The Following reaction is classified as: 2HCl(aq) + Ba(OH)2(aq) → BaCl(aq) + 2 H20(0) b) precipitation reaction oxidation-reduction reaction d) acid-base neutralization reaction 9. c) single replacement What is the volume of 0.1220 M HNO, solution required to completely neutralize 17.50 ml of 0.1211M NAOH? Reaction is: HNO, (aq) + NaOH(aq) -NaNO, (aq) + H:0 (aq) a) 17.37 ml b) 16.31 ml. c) 15.39 ml. d) 17.84 mL 10. Which one of the following reactions is the reduction reaction?...
15. Which mixture would be the best buffer? a. 1M HF; 0.01 MF d. 0.1 M HC2H2O2; 0.01 M C2H302 b. 2 M HCl; 0.5 MCI e. 0.003 M HCIO; 0.003 M CIO C. 0.8 M H2C2O4;0.8 M NaHC204 16. Which indicator would be the best for a titration of an hypolodous acid (HIO), Ka= 2 x 10-11 TABLE 16.1 Ranges of Color Changes for several Acid-Base Indicators 7 . . 10 11 12 Dywa Violet Thyme a. Crystal violet...
Question two
A buffer solution is able to maintain a constant pH when small amounts of acid or base are added to the buffer. Consider what happens when 1 mL of a 5 M solution is added or 0.005 mol of HCl are added to a 100.0 ml solution acetic acid buffer that contains 0.0100 mol of Acetic acid, HC,H,O,, and 0.0100 mol of sodium acetate, NaC,H,O2. The initial concentration of both the acid and the base are 0.0100 mol/0.1000...
I
need it right now, please help me??
PROCEDURE PART I: DILUTING THE VINEGAR SOLUTION The vinegar solution must be diluted by a factor of 5 to be suitable for titration. 1. Obtain - 20 ml of the stock vinegar solution from the fume hood. 2. Using the 10-ml. pipet, pipet" 10 mL of the stock solution to a 50-ml volumetric flask. 3. Fill the volumetric flask to the calibration line with distilled water. Be sure not to go over...
14. Calculate the pH of 26 x 102 M KOH. (1) 1241 (2)1550 (3)208 47 15. Calculate the H* ion cancentration in lemon juice having a pH of 2 40 (1)401 00 59 4.0-10-ง M (2) 250 M the [H'] in offee than in neutral water? manganese(l) cartonate (MncO] is 42x 10 M. What is Kap for this oompound? (3) 0.38 M 440x0M 16. The pH of coffee is approximately 5.0. How mamy times groater is (1) 200 (2) 100...
can
someone help me answer these 5 questions and figire this graph out
please?
Acid-Base Titration of a Weak Acid with a Strong Base: Determination of K. Introduction: You will be titrating a solution of a weak acid with 0.100 M NaOH, while monitoring the reaction using a pH meter. Weak acids have characteristic acid-ionization constants, K. The purpose of this lab is to use the titration to determine the value of this constant for the weak acid called “benzoic...
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