A student performs a titration and records the following data: Initial buret volume:  11.87 mL Final buret volume:  31.62 mL Molarity of NaOH solution:  0.205 M Calculate the moles of NaOH used in this titration.

Q: Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of…

A: We calculate normality of acid and base then use this formula N1V1 = N2V2

Q: A student performs a titration and records the following data: Initial buret volume:  13.76 mL…

A: We know that Molarity is the number of moles of solute present in 1 L of the solution Molarity =…

Q: The results of a titration experiment were as follows: Volume of aqueous NaOH pipetted into the…

A: Volume of aqueous NaOH= 10.0mL  Average volume of dilute HCI added from the burette to reach the…

Q: A weak acid- strong base titration was performed as follows: 10.00 mL of 0.10 M acetic acid were…

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Q: A chemist student weighs out 0.0579 g of hypochlorous acid (HClO) into a 250. mL volumetric flask…

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Q: By titration, it is found that 24.7 mL of 0.184 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: The reaction of HCl with NaOH is a neutralization reaction that forms NaCl and water as the…

Q: A chemistry student weighs out 0.155 g of lactic acid (HC,H,O3) into a 250. mL volumetric flask and…

A: Lactic Acid is:- HC3H5O3 The molar mass of lactic acid is :- 90.08g/mol Weight of Lactic acid used =…

Q: The total volume of 0.25 M H2SO4 used was 27.9 mL. Calculate what volume of 5 M ammonia solution…

A: Molarity of H2SO4 = 0.25 MMolarity of NH3 = 5 M

Q: By titration, it is found that 56.9 mL of 0.142 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

Q: In an acid-base titration, the neutralization of 20.00 mL of a solution of KOH (potassium hydroxide)…

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Q: A sample of 5.00 mL of the HCI received from a tanker is diluted to 250 mL in a volumetric flask. A…

A: 5ml is taken from the tanker and diluted to 250ml. 30.18ml of 2.012M NaOH solution is needed to…

Q: A 21.88 mL portion of a 0.379 M solution of hydrochloric acid, a monoprotic acid, is to be titrated…

A: Here we are required to find the volume of KOH required to reach the equivalence point.

Q: Calculate the molarity of a sodium hydroxide(NaOH) solution that is titrated with 0.6887 g of oxalic…

A: Given: The mass of oxalic acid taken = 0.6887 g The volume of NaOH solution required to reach the…

Q: A titration flask contains 0.00405 moles of an acetic acid sample   a. Determine the moles of the…

A: The given number of moles of acetic acid is 0.00405 mol. The molarity of NaOH is 0.200 M. The…

Q: A group of students working in a chemistry lab is planning a procedure to neutralize 25.0mL of 2.0 M…

A: Acid-base titration: Titration is a method to determine the concentration of unknown acid by using…

Q: By titration, it is found that 62.5 mL of 0.176 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Step 1:To find the concentration of the HCl solution, we can use the equation for neutralization…

Q: By titration, it is found that 73.9 mL of 0.190 M NAOH(aq) is needed to neutralize 25.0 mL of…

A: Given :- concentration of NaOH = 0.190 M             Volume of NaOH solution = 73.9 mL…

Q: n analytical chemist weighs out 0.105 g of an unknown monoprotic acid into a 250 mL volumetric flask…

A: At equivalence point mole of standard solution is equal to the mole of unknown solution.

Q: The flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains…

A:

Q: A0.4334 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCl were…

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Q: By titration, it is found that 77.3 mL of 0.122 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Answer: In neutralization reaction, hydroxide ion of base reacts with hydrogen ion of acid and…

Q: Before performing a titration of vinegar itself, you first had to standardize the solution used to…

A: As most base solutions are secondary standardized, so we need to standardise base solutions with a…

Q: During the course of a titration experiment, you notice that no matter how much base you add to the…

A: The objective is to analyze the error in acid-base titration and find the suitable corrective…

Q: A student titrates a 15.00 mL sample of unknown sodium hydroxide using a standardized 0.12807 M…

A: Volume of NaOH (V1) = 15.00 mL Concentration of HCl (M2) = 0.12807 M Initial volume of HCl = 1.26 mL…

Q: By titration, it is found that 13.5 mL of 0.112 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Since the reaction taking place is given by  NaOH + HCl ----> NaCl + H2O Hence we can say that 1…

Q: Suppose you are titrating an acid of unknown concentration with a standardized base. At the…

A: Initial volume reading of the burette = 2.31 mL Final volume reading of the burette = 22.53 mL…

Q: An analytical chemist weighs out 0.123 g of an unknown monoprotic acid into a 250 mL volumetric…

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Q: By titration, it is found that 24.5 mL of 0.173 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: The question is based on the concept of titration. We have to calculate concentration of…

Q: A student finds that it takes 46.16 mL of 0.2915 M NaOH to titrate 20.00 mL of sulfuric acid…

A: The reaction between Sulfuric acid (H2SO4) and Sodium hydroxide(NaOH) is given as:H2SO4 + 2 NaOH →…

Q: You dissolve a 0.553 g sample of an unknown monoprotic weak acid in water to a total volume of 20.0…

A: At equivalence point models of acid are equal to moles of base . So first we would calculate models…

Q: Titration of a 25.00 mL sample of acid rain required 12.4 mL of 0.009879 M NaOH to reach the end…

A: Volume of sulphuric acid,V1 = 25.00mL Volume of NaOH,V2 = 12.4mL Concentration of NaOH,M2 =…

Q: An aqueous solution of barium hydroxide is standardized by titration with a 0.154 M solution of…

A: Molarity of perchloric acid = 0.154 M Volume of Acid = 18.7 mL Volume of Base = 19.8 mL Now., 1 mole…

Q: A student dropped few pieces of marble in dilute HCI contained in a test tube. The gas evolved was…

A: SOLUTION: Step 1: Marble is chemically calcium carbonate. When dilute HCl is added to calcium…

Q: A 0.8159 g sample of HCl was placed into a 50 mL volumetric flask and the sample was thoroughly…

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Q: An analytical chemist weighs out 0.112 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given, Mass of an unknown acid = 0.112 grams.    Volume of flask = 250 mL. Molarity of NaOH = 0.0700…

Q: By titration, it is found that 63.7 mL of 0.184 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Given, 63.7 mL of 0.184 M NaOH 25.0 mL of HCl

Q: The iodine contained in every one mL of the 0.010 M iodine solution in the buret will react with…

A: Given, volume of titrant, iodine solution used = 5.14 mL            mass of vitamin C titrated by 1…

Q: To determine the concentration of a solution of sulfurous acid, a 150.0-mL sample is placed in a…

A: The balanced equation for the titration is,2KOH + H2SO3 → 2H2O + K2SO3Mole of KOH= 0.1463 M ×…

Q: Suppose you are titrating an acid of unknown concentration with a standardized base. At the…

A: Acid-base titration: Titration is a method to determine the concentration of unknown acid by using…

Q: Suppose you are performing a titration. At the beginning of the titration, you read the titrant…

A: we have to calculate volume of titrant required