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

Q: A 0.8250 g of soda ash sample was dissolved in distilled H O and diluted to 250-mL using a…

A: Please find the below attachment.

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: 1.00 mL of 0.1OOM NaOH is about 20 drops. How many milliliters of 0.100M NaOH are in 3 drops? (this…

A: We have given that 1.00mL of 0.100M NaOH  = 20drops     how many mL of 0.100M NaOH = 3 drops

Q: A chemist tries to dissolve a solid ionic compound called "X" in water at 25°C. He adds 100 mL of…

A: Solution is a homogenous mixture of solute and solvent. Solute is the component present in lesser…

Q: A student, performing the same experiment as you, recorded the following information. The original…

A: Given data is: Volume of diluted vinegar sample (mL) = 25.00 Molarity of NaOH = 0.0900 Initial buret…

Q: Name Haley oyle 20yle Sec. QUESTIONS 1. Why must the Erlenmyer flask and graduated cylinder be dried…

A: The answer are as follows:

Q: explain why a titration flask does NOT need to be dry when titrating saturated solutions

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Q: Mass KHP: 1.977 g Volume of KHP Solution: 100.0 mL Titration: 25.0 mL of unknown concentration NaOH…

A: Given Given mass of KHP = 1.977 g Molar Mass of KHP = 204.2 g/mole Volume of KHP solution =100 mL…

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: In your experiment, you will weigh out between 0.25 g and 0.50 g of sodium hydrogen carbonate. If…

A: The sodium hydrogen carbonate reacts with HCl as follows: The stoichiometry of the balanced…

Q: Standardized NaOH solutions are typically re-standardized if left unused for more than a week or…

A: Sodium hydroxide is a hygroscopic compound.  It absorbs moisture from atmosphere when exposed.

Q: 18.9 milliliters of a 1.687 M KOH solution are required to titrate 30.1 milliliters of a H3PO4…

A:

Q: A solution is made by diluting a standard solution by adding equal volumes of the standard solution…

A: Given : Solution is made by diluting a standard solution and distilled water .  To find :…

Q: Name Post-Laboratory Questions (Use the spaces provided for the answers and additional paper if…

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

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: 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: 52 Types of Chemical Reactions 3) Get a clean dry medium test tube and add a small amount of calcium…

A: This question belongs to Chemical reaction. As per guidelines I can answer only question number 3.

Q: The equivalent formula weight of an unknown weak acid in g/mol will be determined in this…

A: The equivalent formula mass (equivalent weight or formula weight) of a compound is the mass that…

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

A: The brief explanations are given below -

Q: Refer to procedure in Part 1 of your lab manual. You have a solution that you wish to test for…

A: Benedict test is used to determine the presence of reducing sugar in water. Benedict's solution is a…

Q: lution 01 0.0500 M NaOH Volumes: Initial 45.16 mL 42.93 mL Final 21.38 mL 18.78 mL Used Average Used…

A: The values as calculated Initial 45.16ml 42.93ml Final 21.38ml 18.78ml Used 23.78ml 24.15ml…

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: 21. When 20.00 ml of sulfuric acid of unknown concentration is titrated with 0.1249 M NaOH, 32.50 ml…

A:

Q: Part 1: Preparation of the Primary Citric Acid Standard 1. Mass of Citric Acid: 4.05 g 2. Volume of…

A: The number of moles is determined using the following equation Number of Mole =Mass in gMolar Mass…

Q: Assume that a drop has a volume of 0.05 mL. If a titration requires 30.00 mL for completion, what %…

A: A numerical problem based on percentage error, which is to be accomplished.

Q: Answer questions a through c: a. A CHEM 1215L student prepares a dilute solution of sodium…

A: A) Given : Volume of diluted NaOH solution required = 21.84 mL = 0.02184 L…

Q: For an experiment, I titrated NaOH with an unknown sample that had acetylsalicylic acid. In my few…

A:

Q: 1. Explain the benefit of letting the solutions of HCl(aq) and NaOH(aq) sit overnight. 2. When using…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Which of the following can be fully dissociated when dissolved in a solvent? A. acetic acid B.…

A: Electrolyte is substance which dissociate in to ions.

Q: Describe how to find the volume of NaOH delivered to the flask from a buret during a titration:…

A: In acid-base titration, the volume of acid and base noted carefully in order to find the unknown…

Q: Why does the molarity of NaOH usually have to be standardized? When preparing the aqueous NaOH, the…

A: Answer :-  Solid NaOH can react with water in the air very easily and therefore the initial mass of…

Q: Volume of 0.200M K2C2O4 Is required to react completely with 30.0 ML of 0.100 M Fe (NO3)3 Choose one…

A: Given  Molarity of K2C2O4           = 0.200 M  Molarity of Fe( NO3 )3      = 0.100 M  Volume of Fe(…

Q: When 0.064L of a solution containing 1.46M BaF2 is diluted to 0.7L, what is the concentration of…

A:

Q: Solution used to remove the white, hard to remove, substance that sometimes appears on sinks and…

A: Scale is the accumulation of minerals over time on a surface which leaves white or gray deposits.

Q: dissolved in the same water sample to create a solution. The water is then allowed to evaporate over…

A: The two salts NaNO3 and K2SO4 are ionic compounds and completely undergo dissociation into ions when…

Q: The solubility of aluminum hydroxide in water increases when diluting nitric acid is added to it.…

A:

Q: 6. In a recrystallization, why is it important to dissolve the solute in boiling solvent instead of…

A: The correct answer is (a) To melt the solute.   In a recrystallization, the goal is to dissolve a…

Q: How will the following situations affect the final calculation of the molarity of acetic acid? An…

A: This is summarized as the base volume is added, it will be larger than the actual, which translates…

Q: Match the following terms to their definitions: Aqueous solution, cation, centrifuge, decant, flame…

A: Given A solution of one (or more) substances dissolved in water is called .... ?

Q: 2. Why is it necessary to rinse the burette with a few mililitres of the sodium hydroxide solution…

A: Rinsing the burette with a few milliliters of the sodium hydroxide solution before filling it serves…

Q: T1 T2 T3 Initial Volume of NaOH (mL) 0.00 3.95 7.95 Final Volume…

A: Molarity and Volumes can be calculated according to the given formulaes

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.