In the procedure you followed for the above experiment, the pipet that was used to measure the unknown acid was not clean, and some of the unknown acid remained above that left in the tip. Will the calculated molarity of the unknown acid be erroneously high, low, or not affected?

Q: During this experiment at Oswego you will need to calculate the concentration of hypochlorite, so…

A: According to the question, The volume of hypochlorite stock solution added = V1 = 31 mLThe…

Q: 2. In Part A of this experiment you will prepare 0.1 M solutions of sodium carbonate (NazCO3),…

A:

Q: What volume of 0.1951 M NaOH is needed to titrate 19.5100 m L of 0.2130 M acetic acid to the…

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Q: Q: Indicate the effect caused by the following situations on the value of the weight molecule of a…

A: The solute only effected when there is Loss of solute in the Experiment

Q: 1. Does your molarity of acetic acid agree with the percent of acetic acid present in the sample?…

A: As per the rules, only the first question can be answered.

Q: The following glassware is used when we do titrimetric analysis. If the glassware is not fully dry…

A: The given glasswere are  Erlenmeyer flask  Burette  Pipet  Volumetric flask

Q: Analysis of unknown sample. Find the molarity of NaOH (M) using the given values below. Show your…

A: Molarity of the standardized HCl solution used for the titration of the unknown sample = 0.1090 M

Q: A. Standardizatlon of thlosulfate solution Trial 1 Trial 2 Trial 3 Initial volume of thiosulfate…

A: Molarity = number of moles of solute / volume of solution  We are given data for initial and final…

Q: 1. A student failed to carry out all of the procedural steps when doing the experiment. Would the…

A: The number of moles is a ratio of the mass of a substance to the molar mass of the substance.…

Q: please help I am having a difficult time answering these questions. I am submitting it as one…

A: a) The ksp values are not available for all ions because they are not all well-studied. Some ions…

Q: 1. You will be using a 0.1 M solution of sodium hydroxide (NaOH) in this experiment. Calculate how…

A: Given :-  Molarity of NaOH stock solution = M1 = 1.25 M  Molarity of NaOH dilute solution = M2 = 0.1…

Q: Identify the observations that indicate an added solute is insoluble in water. (3 Answers are…

A: If any solute is insoluble in water, it will not dissolve completely in water. Hence the solution of…

Q: please help I am having a difficult time answering these questions. I am submitting it as one…

A: The main aim of this question is to determine the concentrations of lead (II) and chromate ions in…

Q: Explain why it is all right to leave water in a volumetric flask before you put it in the 10.00mL of…

A: It is alright to leave water in a volumetric flask before you put it in the 10.00 mL of your…

Q: tion / Wny not add the last remaining drop of the pipette from the solution by blowing it with your…

A: ANSWER IS :

Q: ► Get the concentration of the unknown solutions with %T of 63. ►Given: S1-0.02 mg 52-0.04 mg…

A: Here we are required to find the concentration of unknown solution with transmittance  (%T )63…

Q: you take 5 mL of of Stock solution and mix it with 5 mL of water to make solution A. You then take…

A: Given 5 mL of of Stock solution

Q: Consider the following scenario: After the first compound elutes off of the column, you collect…

A: We should follow these steps to avoid contamination. A. As we don't know how many…

Q: Answer True or false for these statements.  1a-All tests on the unknown cations are complete…

A: Qualitative analysis involves the analysis of cations and anions. It is a systematic approach. A…

Q: During the lab procedure a filtered pipette was used to measure out 1.0 mL of the saturated…

A: A question based on analytical separation. Separation of saturated organic solution using cotton is…

Q: IDENTIFICATION OF AN UNKNOWN AMMONIUM SALT PURPOSE In this lab you will: 1. gain experience in the…

A: Acid-base titration is an analytical method for the determination of the concentration or volume of…

Q: 0.54 g phthalic acid fully dissolve in 100 ml water at room temperature. How much is phthalic acid…

A: Amount of phthalic acid dissolves in the amount of water is simply corresponding to the density of…

Q: 0.1982 grams of an unknown organic acid was dissolved in about 50 mL of water in a 250 mL Erlenmeyer…

A:

Q: 0.2061 grams of an unknown organic acid was dissolved in about 50 mL of water in a 250 mL Erlenmeyer…

A: Given values :- Mass of unknown compound  = 0.2061 grams Volume of water used (V1) = 50 mL Molarity…

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: In 1.50 L of 1.22 mol/L silver nitrate solution, there is 311 g of silver nitrate. Select one: O…

A: Given information, Volume = 1.50 L Concentration = 1.22 mol/L

Q: The name of the apparatus used in salting out is Your answer

A: Salting-out is the effect when adding a salt to a solvent containing an organic solute reduces the…

Q: is In the school laboratory, a usually used as fractionating column. The glass called as beads serve…

A: A fractional distillation is used to seperate volatile compounds having their similar boiling point,…

Q: 170 milliliters are required to prepare 900 mL of 2.00 M HCI (36.5g/mol) from the commercial reagent…

A: Concentration of commercial HCl = 37.2 % (w/w)

Q: What should you do with the 5 mL portions of NaOH used to clean the buret? Discard into designed…

A: To clean the buret , 5 ml portion of NaOH is added . Then that NaOH solution is contaminated with…

Q: In gravimetric analysis, if a qualitative test for a small sample of the analyte solution tests…

A: The question is based on the concept of gravimetric analysis. It is a method of quantitative…

Q: Is this calculation correct? See image below. The values/runs from the experiment were: 29.9M,…

A: Yes the calculation is correct.

Q: Part 1: Ksp and Molar Solubility of Ca(OH)2 ww Trial 1 Trial 2 Trial 3 Buret reading, final (mL)…

A: From given information the following values are interpreted. First consider Trial 1 The volume of…

Q: Give the procedure, chemical equation, standard solution and calculation from supposed volumes for…

A: This problem can be solved by using the molarity equation i.e M1V1 = M2V2 where M1 and V1 are the…

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

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Q: The volume of water needed to dissolve 0.0700 grams of lead sulfate is _____ L.…

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Q: A standard solution of ethanol is used to produce a series of diluted solutions of known…

A: Calculation of the concentration of a dilute solution prepared by combining 2.00mL of 0.100% ethanol…