A 1.047 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCI were required to titrate the liberated ammonia. Calculate the percentage of nitrogen in the sample. 1. 03.89% 2. 02.99% 3. 039 9% 4. 09.38% 5. 02.10%

Q: 8. What volume of a 0.500 M solution of Nal could be prepared with 113 g of solid NaI? 9. Calculate…

A: In this question, we want to determine the Concentration of diluted Solution in each cases. you can…

Q: It takes 91 mm² of overall surface area, in the form of a calcium-based substrate sheet, (CACO3…

A: Solution: Data Given- 91 mm² of overall surface area, (CaCO3 density=2.7 g/cm³)

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A:

Q: A 0.4334 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCl were…

A: Option 4- 9.38%

Q: Preparation of EDTA solution: Mass of EDTA (g) : 1.9186 g Molarity of 500 mL solution of EDTA (M) :…

A: Molecular weight  of EDTA = 292.24g Given mass = 1.9186g No. Of moles of EDTA = (given…

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: The values are given as follows:

Q: A 1.047 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCl were…

A: Given data contains, Mass of canned tuna is 1.047 g. Volume of HCl is 24.61 mL. Molarity of HCl is…

Q: ou are given a sulfuric acid solution of unknown concentration.  You dispense 10.00 mL of the…

A: Titration is one of the most common method of qualitative analysis of substances given. It is done…

Q: In the case of volumetric analysis the analyte is: the solution of known concentration O titration…

A: The measurement of the volume of the solution whose concentration is known to us in order to…

Q: The amount of ascorbic acid (vitamin C; C6H8O6) in tablets is determined by reaction with bromine…

A: A titration is known as titrimetry and volumetric analysis. A titration is a process in which a…

Q: scandium(III) zinc (II) hydrogen carbonate cyanide lead (II) nitrate is mixed with a solution of…

A: A balanced chemical equation occurs when the number of the atoms involved in the reactants side is…

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

A:

Q: A 0.4334 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCl were…

A:

Q: A 1.047 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 ml. of 0.1180 M HCl were…

A: Kjeldahl's method :-  The percentage of nitrogen in Kjeldahl's method is given by the formula  %N =…

Q: Consider a titration where 0.215 M potassium hydroxide is added from a burette to 10.00 mL of…

A: Given information,

Q: In an analytical laboratory that analyzes BOD, the titrant solution of sodium thiosulphate must be…

A: A question based on mole concept that is to be accomplished.

Q: A solution with a total volume of 750. mL contains 37.1 g Mg(NO3)2. Determine the concentration of…

A:

Q: Two flasks filled with NH3(g) and HBr(g) and both balloons were sealed with taps which were…

A:

Q: The density of acetic acid is 1.05 g/ml. * 10 ml of commercial vinegar was taken during titration…

A: Given: The density of acetic acid = 1.05 g/ml The volume of commercial vinegar taken = 10 ml The…

Q: A 5.0 g impure sample of sodium carbonate was titrated with an acid. The sample utilized 31.55 ml of…

A: Given as MM of Na2CO3 = 106 g/molMM of HCl = 36.46 g/mol Mass of Na2CO3=5.0 g Volume of HCl…

Q: The lead in a 0.2000-g sample is precipitated as PbCrO4. The precipitate is filtered, washed, and…

A: The balanced equations are Pb2+ + 2 CrO42– --------> PbCrO4 (s) 2 PbCrO4 + 2 H+ -------> 2…

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: Answer :-  Molarity of original H2SO4 solution = 1.207 M…

Q: In order to calculate the volume of an irregularly shaped container, a chemist added 108.2 g of NaCl…

A: First of all, you need to find the molarity of NaCl solution present in the container. Once you get…

Q: Brass is an alloy consisting mainly of copper and zinc. To determine the percentage of copper in a…

A: The mass of the total sample of brass is given as 2.63 g. The amount of copper present in the sample…

Q: A student analyzed an antacid tablet from a bottle of 50 tables purchased at a discount store for…

A:

Q: 1.3562 g of table salt was taken and dissolved in 250 mL of water. Calculate the % chloride amount…

A: The balanced equation for the reaction between NaCl and AgNO3 is   NaCl (aq) + AgNO3 (aq)…

Q: To determine the concentration of some hydrochloric acid, a diver titrated it with 0.200 mol/L…

A: Molarity: To express the concentration of a solution, molarity is used. It is defined as the number…

Q: How many grams of KMnO4 are required to prepare 4.000 L  of 0.0350 M  KMnO4 solution that is used in…

A: Calculation of no. of mol of KMnO4: Calculation of amount of KMnO4:

Q: A 0.4334 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCl were…

A: Given: The mass of the sample is 0.4334 g The volume of hydrochloric acid (HCl) is 24.61 mL The…

Q: A Na2CO3 standard solution is prepared by transferring 2.4817 grams of primary standard-grade sodium…

A:

Q: A

A: The  preliminary treatment of water involves the removal of the coarse solids in the wastewater.…

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: Molarity of standard NaOH solution = 0.1298 M = MNaOHVolume of NaOH used to reach end point = 11.93…

Q: In the titration of 10.00 mL sample of vinegar solution with 0.35 M NAOH as titrant, the initial…

A:

Q: CuO(s) + HCl(aq) → CuCl2 (aq) + H20(1) The mass of CuO was measured to be 2.500 g. The volume of HCl…

A: Molarity (M) :-  The number of moles of solute dissolved in one litre of solution is known as…

Q: During a titration, it is found that 59.5 mL of a solution of NaOH is needed to neutralize a…

A: At the endpoint of neutralization no of the equivalent of acid =number of the equivalent of base  or…

Q: In a laboratory activity, Ca(OH)216) is completely dissolved in distilled water. This solution is…

A: Ca(OH)2 is a strong base HCl is a strong acid. So, Neutralization reaction between Ca(OH)2 and HCl…

Q: Using some of the following reagents, describe the preparation of 500 mL, pH 7 citric acid 1.8 M…

A: Let us consider the equilibrium reaction, let’s say xmL of NaH2C6H5O7 is taken HC6H5O72- (aq) +…

Q: 4. A solution of 2.5 x 104M NazS2O3 was used for the iodometric titration of an ozone- containing…

A:

Q: A 0.2850 g sample of lye ( impure NaOH) was weighed out and dissolved in water, 44.54 mL of 0.150 N…

A: The given information is: Weight of sample of lye = 0.2850 g Volume of HCl = 44.54 ml Normality of…

Q: A student adds 20.00 mL of nitric acid (HNO3) of unknown concentration to an Erhlenmeyer flask with…

A:

Q: (b) An impure sample of (COOH)2.2H2O that had a mass of 1.00 g was dissolved in water and titrated…

A: Whenver an acid and base reacts with each other than they form salt and water and the process is…

Q: In the titration of 10.00 mL sample of vinegar solution with 0.35 M NaOH as titrant, the initial…

A: Given: The volume of the vinegar solution taken for titration = 10.00 mL Molarity of the NaOH…

Q: A 1.047 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCl were…

A: Given that ,  Mass of sample analyzed by Kjeldahl method = 1.047 g Liberated ammonia is titrated…

Q: 20.46 mL of the I2 solution from above is required to titrate a sample containing As2O3. Calculate…

A: Given,  As2O3 + 5(H2O) + 2I2 → 2(H3AsO4) + 4HI   We know,  At STP 1 mol = 22.4 L  According to the…

Q: In the titration of 10.00 mL sample of vinegar solution with 0.35 M NaOH as titrant, the initial…

A:

Q: A sample of KHP, KHC8H&O4, weighing 2.035 g is titrated with NaOH and backtitrated with HCI. NaOH…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: The reaction between sulfuric acid and sodium hydroxide is as follows. H2SO4+2NaOH→Na2SO4+2H2O That…

Q: In the laboratory you are given the task of separating Ca* and Ag* ions in aqueous solution. For…

A:

Q: To determine the mass of calcium carbonate present in a 0.125 g sample of chalk, the chalk sample…

A: Acid-base titrations can be used to find the concentration of unknown acid/base by titrating it…

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A:

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.