prepare standards by conducting a serial dilution of 2mg/ml BSA down to 0.0625mg/ml BSA. How many standard solutions will I have? What are the concentrations of these standard solutions?

Q: 0.5131-g sample containing KBr is dissolved in 50 mL of distilled water. Titrating with 0.04614 M…

A: The reaction will be: KBr(aq) + AgNO₃(aq) → KNO₃(aq) + AgBr(s) From the reaction- 1 mole of KBr…

Q: The chloride in a sample containing approximately 3.5 % NaCl is to be determined gravimetrically as…

A: The chemical equation representing the reaction for the formation of AgCl is shown below. The mass…

Q: The sample containing 4.2 % Nacl will be determined gravimetrically as AgClI. What weight (in…

A: Given that Sample contain 4.2% NaCl AgCl precipitated = 0.39 mg = 3.9×10-4 gram Molar mass NaCl =…

Q: In preparing solution with 5.0 mL 2.00 x 10-3 M Fe(NO3)3 in 0.50 M HNO3 + 2.0 mL 2.00 x 10-3 M HSCN…

A: Given data,

Q: Volume of N2OH pH added (ml) 1.00 1.22 1.48 1.85 2.18 2.89 3. 20 3.50 3.90 10 20 30 35 39 39.50…

A: The question is based on the concept of titrations. we are writing a strong acid with a strong base.…

Q: In non-aqueous volumetric methods: I. Carbon dioxide and water is excluded to prevent these from…

A: Non aqueous titration

Q: Which of the following do not dissolve in hot water?      AgCl     PbCl2     Hg2Cl2     both…

A: The ability of a substance to get dissolve in particular amount of solvent is termed as solubility.

Q: A 6.00-mL portion of an 8.00 M stock solution is to bediluted to 0.400 M. What will be the final…

A: Given: Molarity of stock solution M1= 8.00M Volume of stock solution V1= 6.00mL Molarity of dilute…

Q: Calculation of vinegar Sample Volume of diluted vinegar 28.5 mL 2.1 M 47 mL Molar Concentration of…

A:

Q: Calculate the concentration of SCN in each of the following standard solutions. Use 0.0500 M Fe3+…

A: a) Initial molarity of SCN-, M1 = 0.002 M Initial volume, V1 = 1.00 mL Final molarity of SCN-, M2 =…

Q: What is volumetric analysis and its components such as titrant, titrand, analyte, base,…

A: volumetric analysis is the process of determination of concentration of analyte species with the…

Q: Summarize a procedure that will allow you to accurately prepare a series of solutions that are of…

A: Given concentration of solution=0.200M To prepare:  a series of solutions that are of molar…

Q: What is the ionic strength of a 0.050 M solution of sodium carbonate? 0.30 M 0.10 M 0.20 M 0.050 M…

A: Here, we have to calculate the ionic strength of a 0.050 M solution of sodium carbonate.

Q: 7. 10 mL 1.5 M HCI is mixed with 100 mL of solvent or solution activity of H* in 1.0 M KCI solution…

A: We are given two different situations. One is H+ in 1.0 M KCl solution which is a soluble salt that…

Q: 6. Calculate volume in mL of 0.200 M NaOH solution required to neutralize 1.858 g of primary…

A: Given -> Molarity of NaOH = 0.200 M Weight of potassium hydrogen phthalate = 1.858 gm Molar mass…

Q: A student was given a solution of unknown molarity of Potassium Hydroxide (KOH). On the lab bench…

A: Part a- Potassium hydrogen phthalate should be chosen as standard solution because the pure form of…

Q: Which of the following steps MUST be done prior to titration of an analyte? I. Prepare a…

A: Steps done prior titration.

Q: KHC8H4O4 (aq)    +    NaOH (aq)   --------->   KNaC8H4O4 (aq)    +    H2O (l

A:

Q: What quantity of sample should be taken for the analysis if it contains 16.2% chloride and the…

A: Given that : % of Chloride contained in the sample = 16.2 % Mass of AgCl precipitate to be obtained…

Q: Briefely explain the meaning of the following terms as they relate to this experiment. a) Titration…

A: The brief explanations are given below -

Q: A solution is 0.01F with respect to Mg++ ions. What concentration of hydroxide ions in  formula…

A: A solution is 0.01 F with respect to Mg++ ions. Ksp of Mg(OH)2 is 1.2 * 10-11 . Here, we have to…

Q: A 10.00 ml sample containing 6.0000 g/L of a mixture of KCI (74.5 g/mol) and NaCl (58.5 g/mol) was…

A: Given: Volume of sample = 10.00 mL And density of sample = 6.0000 g/L.

Q: Use the following information to answer the next question. A sample solution contains two unknown…

A:

Q: A Ringer's solution consists of 140 mEq/L Na+, 5 mEq/L K+, 4 mEq/L Ca2+, and Cl-. The Cl-…

A: The explanation is given below-

Q: A stock standard concentration of 101.25ppm was prepared of Cu. What are the actual concentrations…

A: The formula used to prepare working solution from the stock solution is: M1V1=M2V2 Here, M1=initial…

Q: 4) A series of titrations gave the following concentration (M) values: 0.517,0.528, 0.521, 0.523.…

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

Q: Titration of 0.1756 g of primary standard Na­2C2O4 (anhydrous) required 32.04 mL of a potassium…

A:

Q: A 0.5264-g sample containing KBr is dissolved in 50 mL distilled water. Titrating with 0.04738 M…

A:

Q: A 50-mL solution of 0.5005 N standard NaOH was added to a 0.9250-g sample of Aspirin and was boiled…

A: Neutralization Reaction: When equal moles of Acid and Base reacts together their is neutralization…

Q: Water sample from different river water was subjected to a qualitative alkaline analysis by…

A: To determine the solutes present in the given water samples and the molar concentration of the…

Q: Why is it necessary to have different methods for appl

A:

Q: The chloride ion content of a 250.0-mL seawater sample was titrated against 0.1102 M silver nitrate,…

A: Interpretation: The chloride ion content of a 250.0 mL seawater sample was titrated 0.1102 M silver…

Q: A 25.0mL acetic acid sample was titrated using exactly 69.72 mL of a 0.30M sodium hydroxide solution…

A:

Q: Hydrogen H2{"version":"1.1","math":"H2"} is ___________________________ in water.   Question…

A:

Q: B. hydrochloric acid

A: As it is basic solution. Because it turns  red litmus to blue solution.  So, if we reverse the…

Q: The purpose of adding an excess of the precipitating agent is: 1- Ensure that the sedimentation is…

A: The purpose of adding an excess of the precipitating agent is given below.

Q: You are a chemist at a cement-producing company whose main business model is to sell carbonate-based…

A:

Q: Determine the required grams of a solid organic acid (KHP – 204.2 g/mol) that used as a primary…

A: Given :  Molar mass of KHP = 204.2 gm /mol  Concentration of base (NaOH) = 1.005 mol/L

Q: 2. In a typical titration, someone needs to "standardize" the solution of the titrant-i.e., to…

A: It's a multiple part question.   Given information, Mass of sample (vinegar) = 100. g Mass of…

Q: When all of the following are mixed together in a beaker, what is the molar concentration of the…

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

Q: 4. Compute for the titratable acidity of vinegar sample if 6 ml of 1.0 N NaOH was used to titrate 25…

A:

Q: Why we have to use the KHP as a primary standard solution?   A. Pure crystals   B. Mono protic…

A: KHP (Potassium hydrogen phthalate) is  used as a primary standard for acid–base titrations because…

Q: Make a scheme with this procedure. Write the result.  Procedure   1. Place 20 drops of each of the…

A: The rate of chemical reactions is made faster by adding catalysts. Water is a universal solvent.…

Q: For the first blank select an answer with a (1) in front. For the second blank, select an answer…

A:

Q: What is the activity coefficient of Hg2 2+ in a solution of 3.3 mM Hg(NO3)2?

A: Given, Concentration of Hg(NO3)2 = 3.3 mM

Q: You did not allow enough time for the solution to reach equilibrium before measuring its absorbance.…

A: Since we did not allow the solution  to reach equilibrium. Hence the concentration of products will…

Q: 1. A process wherein a substance is directly determined by titration to an end point with a standard…

A: Given that,