how would i find the average titre value in ml if I have 10% ethanol 1.3 ml (of water used) as titre value 1 and 1.1 ml (of water used) as titre value 2
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how would i find the average titre value in ml if I have
10% ethanol
1.3 ml (of water used) as titre value 1 and
1.1 ml (of water used) as titre value 2 ?
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- Volume of acetic acid (HC2H3O2) in the first titration (L) 10 mL Volume of acetic acid (HC2H3O2) in the second titration (L) 10 mL Normality of sodium hydroxide (NaOH) (N) 0.1 N Volume of sodium hydroxide (NaOH) in the first titration (L) 10 mL = ……..L Volume of sodium hydroxide (NaOH) in the second titration (L) 10 mL = ……..L Normality of acetic acid (HC2H3O2) in the first titration (N) Normality of acetic acid (HC2H3O2) in the secondtitration (N) Average normality of acetic acid (HC2H3O2) (N) Mass % of acetic acid (HC2H3O2) (%)Maleic acid (H2C4H2O4, represented by H2M) is the precursor of malic acid widely used in industry. food as an acidulant and in the pharmaceutical industry it is used in the treatment of wounds. This acid can be determined by neutralization titration. Answer the items below about this determination. Considering a 15.0 mL sample of maleic acid-based product used in industry, determine the maleic acid concentration, in mol/L, in the sample knowing that 21.7 mL of a solution of 0.1120 mol/L NaOH for complete neutralization of this acid. How many grams of maleic acid were in the sample analyzed and what is its percentage (%, m/v) in the sample? [Answer; m=0.1405 mol L-1; percentage = 0.9365%] NaOH(aq) + H2M(aq) Na2M (aq) + H2O(l) Suggest an appropriate indicator for the titration of this acid by looking at the titration curve profile below (IMAGE)Questions 11-14 refer to the same strong base/strong acid (SB/SA) titration. A 15.00 mL solution of 0.100 M sodium hydroxide (NaOH) is being titrated with 0.250 M hydrobromic acid (HBr). What is the total solution volume (in mL) at the equivalence point? (Nearest whole number) Type your answer...
- 1 2 3 4 Questions 1-4 refer to the same strong acid/strong base (SA/SB) titration. A 25.00 mL solution of 0.200 M hydroiodic acid (HI) is being titrated with 0.200 M sodium hydroxide (NaOH). What is the initial solution pH (when 0.00 mL of titrant have been added) (Two decimal places) Type your answer... Questions 1-4 refer to the same strong acid/strong base (SA/SB) titration. A 25.00 mL solution of 0.200 M hydroiodic acid (HI) is being titrated with 0.200 M sodium hydroxide (NaOH). What is the solution pH (when 15.00 mL of titrant have been added? (Two decimal places) Type your answer... Questions 1-4 refer to the same strong acid/strong base (SA/SB) titration. A 25.00 mL solution of 0.200 M hydroiodic acid (HI) is being titrated with 0.200 M sodium hydroxide (NaOH). What is the solution pH at the equivalence point? (Two decimal places) Type your answer... Questions 1-4 refer to the same strong acid/strong base (SA/SB) titration. A 25.00 mL solution of 0.200 M hydroiodic acid (HI) is…Questions 11-14 refer to the same strong base/strong acid (SB/SA) titration. A 15.00 mL solution of 0.100 M sodium hydroxide (NaOH) is being titrated with 0.250 M hydrobromic acid (HBr). What is the solution pH when 5.00 mL of HBr have been added? (Two decimal places) Type your answer...Answer the following three questions based on the information given below. Consider a buffer made with 34.0 mL of 0.25 M butanoic acid (HC4H-O2) and 16.0 mL of 0.46 M sodium butanoate (NAC4H7O2). The K, for butanoic acid (HC H-O,) is 1.5 X 10 5. Round all numerical answers to the 100en place (2 decimal places). Assume 298 K. What is the pH, if 20.0 mL of 1.0 M NAOH is added to this buffer? Type your answer..
- II only O both I & II ОШ only QUESTION 13 Consider an acid-base titration in which the base is dispensed from a burette into a flask containing an acid. If any drops of the base adhere to the inner walls of the flask, but do not actually mix with the solution, the calculated acid concentration would be O the same as the actual value. O lower than the actual value. O higher than the actual value. Need more information Click Save and Submit to save and submit, Click Save All Answers to save all answers. Save AlWhat is the percentage of total acid expressed as acetic acid in a sample of vinegar if 4.0g of vinegar requires 29.5ml of 0.153N KOH for an endpoint with phenolphthalein indicator? (molar mass of acetic acid: HC2H3O2 = 60.05g/mol a. 3.995% b. 6.776% c. 8.650% d. 12.68%WHAT IS THE SIGNIFICANCE OF THE RATION OF STRENGTHS OF ACIDS AND BASES? what is the purpose of drying the primary standard before usage?
- Question 5 (1 point) 4) Listen It is necessary to carry out the titration of NaOH with KHP in the presence of carbon dioxide. A) True O B) False Question 6 (1 point) Listen The heat (or enthalpy) of neutralization (AH) is the heat evolved when a weak acid and a strong acıd react to form a salt plus water. OA) True B) FalseIn a titration of 20.57 mL of 0.1653 M H2SO4, 45.41 mL of a NaOH solution are needed. What is the concentration (in mol/L) of the NaOH solution? Include only the numerical answer (no units). be careful with significant digitQuestions 11-14 refer to the same strong base/strong acid (SB/SA) titration. A 15.00 mL solution of 0.100 M sodium hydroxide (NaOH) is being titrated with 0.250 M hydrobromic acid (HBr). What is the solution pH before the titration begins? (Two decimal places) Type your answer...