If the 125 mL Erlenmeyer flasks used in this experiment, (Standardization of a Sodium Hydroxide Solution), were washed and rinsed with distilled water but not dried prior to use, how owuld this affect the calculatoed concentration of the standardized NaOH solution?

Q: (c) What is a standard solution? What piece of glassware is used to prepare a standard solution and…

A: The number of moles can be calculated by multiplying the concentration of the solution by the volume…

Q: What advantages and disadvantages does water have as a recrystallization solvent?

A: Recrystallization is used to purify chemicals by dissolving both impurities and a compound is…

Q: (Calculation) If your unknown solution is first diluted 11 times and then a 30ml aliquot is taken…

A: Given: Unknown solution is diluted 11times then 30 mL aliquot is diluted to 50mL volume.

Q: What is the concentration of hydrochloric acid? Find the concentration using the information given…

A: A question based on acid-base titrations that is to be accomplished.

Q: What method of tonicity adjustment will be used in the preparation? * a. White-Vincent Method b.…

A:

Q: A student determined her H2SO4 solution concentration to be 0.0610 M.  The actual concentration of…

A: Given information is:    Determined concentration of H2SO4 = 0.0610M             Actual…

Q: A student rushed through this experiment, but noted some procedural errors in their lab…

A: Remember, during titration we follow: N1V1 = N2V2 If N2V2 is considered for unknown solution then…

Q: 4. What specific effect, if any, would each of the errors below have on the calculated concentration…

A: Acetic acid (ethanoic acid) is a colorless liquid organic chemical compound CH3COOH (also written as…

Q: 10.00 mL of the Unknown Acid B with a concentration of 0.1205M was placed into an Erlenmeyer flask…

A:

Q: Questions: 1) Explain the solubility of acetic acid in water.

A: Since you have posted with multiple questions, as per guidelines we will solve only first question…

Q: Write a procedure explaining how to prepare a solution with a 3.45 % by weight of solid compound…

A: 3.45% by weight means 3.45 g of solute in 100 g solution. so in 100 g mass of solute is 3.45 g and…

Q: . What is the weight of the sample in trial 1? 2. What is the average weight of the precipitate in…

A: 1. Weight of sample=Weight of bottle before removing the sample-Weight of bottle after removing the…

Q: Why you should not start a titration with zero mL as an initial volume

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this…

Q: %3D (3M K2HPO4 will be needed to make this solution?(

A: pH for the buffer is given by the expression:   pH=pKa+log[K2HPO4][KH2PO4]

Q: What challenges would you encounter with the titration if you had used apple cider vinegar or…

A: Answer is explained below.  When as an analyte in the titration, apple cider vinegar or balsamic…

Q: hy do we have to measure the boiling point of distilled water during this experiment?

A: Given : We have to explain why we measure boiling point of distilled water.

Q: Why are KMnO4 solutions filtered before they are standardized?

A: When a solution is made from the accurate and known quantity of the compound then the resultant…

Q: Why must a boiling stone be added to a solution to be refluxed?

A: The boiling stone is added while refluxing the solution because -

Q: In titration, what solution is placed inside the Erlenmeyer flask? Group of answer choices diluted…

A: During titration two solutions are used. One with known concentration which placed in burette.

Q: 10.00 mL of the Unknown Acid A with a concentration of 0.1505M was placed into an Erlenmeyer flask…

A: Given - Volume of NaOH =20.33 mL Molarity of NaOH =0.2213M To find - millimoles of Sodium Hydroxide

Q: 1. What is the dilution factor for each of these serial dilutions? 2. If the original (right most)…

A:

Q: 2. When we do this experiment in our laboratory, bromine in dichloromethane is provided as a…

A:

Q: Describe how to prepare exactly 100 mL of 1.00 M HCl from 12.1 M HCl reagent.

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

Q: What volume of 0.15N reagent is needed for the preparation of 500 mL of 0.10N solution?

A:

Q: A 10 mL sample of 0.8M NaOH is mixed with 10mL of 0.47 M H2X. How much X2 is in solution after both…

A: Given: Concentration of NaOH = 0.8 M Concentration of H2X = 0.47 M Volume of NaOH solution = 10 mL =…

Q: Why use plastic reagent bottle for the storage of the standard NaOH solution instead of typical…

A: NaOH is a base. It is hygroscopic in nature. Hygroscopic means tends to absorb moisture from air.…

Q: 10.00 mL of the Unknown Acid A with a concentration of 0.1505M was placed into an Erlenmeyer flask…

A: Given :-  molarity of acid solution = 0.1505 M  volume of acid solution = 10.00 mL  molarity of…

Q: How to find weight of HAc in original solution in grams?

A: Given: Concentration of acetic acid(HAc) = 0.5306 N Volume of the solution = 80mL

Q: What concentration of Br−results when 641 mL of 0.733 M KBr is mixed with 703 mL of 0.505 M FeBr2?

A: The concentration of Br- ion in the mixture containing  641 mL of 0.733 M KBr and 703 mL of 0.505 M…

Q: Part A: Weight by volume: Prepare a 3% solution with total volume as requested. Concentration of…

A:

Q: An equation useful in these calculations is: (1st quantity) ?x (1st concentration) ?= (2nd…

A:

Q: What molarity of HCl is needed so that 5 mL diluted to 300 mL will yield 0.2 M?

A:

Q: Perform a double displacement reaction with Copper (II) Bromide and Calcium Chloride. Does a…

A: Reactions in which the same reactant gets reduced to one form and the same reactant get oxidized to…

Q: Write a detailed step-by-step procedure for preparing 100 mL of a 0.200 M NaOH solution using the…

A: Molarity, molality, formality and normality are concentration terms. The molarity of a solution is…

Q: Remember that all solutions used in this experiment contain 0.50M HNO3.) What happens to the HNO3…

A:

Q: Answer the following questions and show all calculations: a. Explain what a dilution factor is, in…

A: When stock solution is added to diluent then concentration of stock solution also decreases, this is…

Q: Why do you need to swirl the flask constantly during the titrimetric analysis? a. To look cool…

A: Titration: It is an analytical method to find out the concentration of a solution with a known…

Q: What is the molarity of 30.0 mL of a NICI, soluton that reacts completely with 17.7 mL of a 0.310 M…

A: Observing the given balanced equation, it is clear that 1 mole of NiCl2 requires 2 moles of NaOH.…

Q: QUESTION NO. 2: A 0.385 g sample of sodium chloride was assayed by the Volhard method using 50 ml of…

A: Percent of compound in sample: It is defined as the amount of compound determined divided by the…

Q: What is the dilution factor for Sample 1 if 20 µL of extract is added to 980 µL distilled water?…

A: The dilution factor of the given extract solution is as follows.

Q: Part B - Determination of Mg(OH)2 in Milk of Magnesia Mass of sample 50g Total Volume HCl used 80ml…

A:

Q: In Purification by Recrystallization, why the solution must be filtered while hot?

A: Crystalization is a process in which the crystals i.e solid form of highly organised atoms or…

Q: How would each of the following errors affect the experimental value of your molarity of acetic?…

A: The balanced reaction of titration of acetic acid and NaOH is as follows: a) Acetic acid has been…

Q: What is the dilution factor for Sample 1 if 20 µL of extract is added to 980 µL distilled water?

A: Dilution Factor = total volume of solution divided by the aliquot volume

Q: Calculate the molarity of 1.1 L of solution containing 2.6 mol NAOH. provided box. M

A: Given :- no.of moles of NaOH = 2.6 mol               volume of solution = 1.1 L  To calculate :-…

Q: 4. What specific effect, if any, would each of the errors below have on the calculated concentration…

A: NOTE: “Since you have asked multiple question, we will solve the first question for you. If youwant…

Q: Why might it be necessary to employ procedures such as the use dilution and in-use tests?

A: Step :1  A use dilution test is the another method for testing the efficacy of the disinfectant.In…

Q: Attached problem

A: Recrystallization is defined as the process in which grains of a crystal structure come in a new…

Q: 1. A Study of Intermolecular Forces of Attraction Professor Rowan is preparing for his experiment in…

A: Intermolecular forces  Melting point  Starting material

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.