Please help with B! A) What is the pH of a buffer solution containing 0.02 M HA and 0.01 M A-? pKa of HA 5.00 B) A 10.0 mL of .10 M HCl was mixed with 90.0 mL buffer. What is the pH of the acid before added to the buffer solution? What will be the pH of the resulting mixture?

Q: Suppose you add 2.2 g of table salt (NaCI) and 3.4 g of potassium chloride (KCI), a table salt…

A: The molar mass of NaCl is  58.44g/mol The molar mass of KCl is 74.55g/mol The moalr mass of water =…

Q: Part A Choose the correct sketch of a curve that would describe the expected behavior of…

A: The objective of this question is to choose the correct option or curve of energy charge of…

Q: Step 2: In a reply below, answer the following prompt. Be sure to respond to the thoughts of your…

A: Solutions- The correct option is 1 or A. A decrease in weight from chicken piece 1 to 4.

Q: The concentration of the stock glucosamine solution is 100 mM. A student took 0.5 ml of this stock…

A: “Since you have posted multiple questions, we will provide the solutiononly to the first question as…

Q: If the value calculated in question 20 had been greater than the theoretical value, select from the…

A: If a theoritical value does not match with actual value, there could be multiple source of error.…

Q: Fill in the table

A: This answer is given below.Explanation:

Q: Answer the following question: The following picture represents an ion- exchange column, in which…

A: so we will be looking at the process of resin which is done in water softening. Removing the Ca+2…

Q: С6H5OH or C6D5OH OH 12, NaOH, H₂O KH/ko = 4.1 OH

A: The objective of this question is to explain the mechanism of iodination by using iodine and sodium…

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: arks Profiles Tab Window Help dTap - Cengage Learning X + n/ilrn/takeAssignment/takeCovalent…

A: Tonicity:- It gauges the difference in osmotic pressure between two fluids that are divided by a…

Q: Why is NaOH(s) to be taken out and weighed only when you are ready to make measurements? Group of…

A: Concept: NaOH is hygroscopic in nature. It easily absorbs moisture from the air.

Q: During the dilution process, the amount of solvent remains the same.   Question options:   True…

A: Dilution is the process by which the concentration of solute decreases in the solution by adding…

Q: If you dilute a 50 mM stock solution by 1:500, what concentration do you end up with expressed in…

A: Make a 1:500 dilution.IMPLIESTake 1 part of your stock solution and add 500 parts of solvent.The…

Q: Dilution is done to commercially available acids such as HNO3, H2SO4 etc so that the strength is…

A: It is a False statement. Dilution is done to commercially available acids such as HNO3, H2SO4 etc so…

Q: 8- KMnO4, H₂O

A: In the first example KMnO4 is used as a  strong oxidising reagent.When carbon carbon double bond…

Q: units in the first column. Tablet identity (brand) Tums Titration Tablet 1 Mass of tablet/sample (g)…

A: Volume of NaOH = final reading - initial reading                             = 48.7 - 30.3…

Q: Case 1: Diclofenac is a poorly soluble drug, suggest and discuss any two (2) methods to improve the…

A:

Q: 45.00 mL of unknown calcium hydroxide solution is titrated with 0.300 M standard nitric acid…

A: The balanced reaction taking place is  Ca(OH)2 + 2HNO3 ------> Ca(NO3)2 + 2H2O  Hence for 1 mole…

Q: A 14.3 g sample of an aqueous solution of perchloric acid contains an unknown amount of the acid. If…

A: In the given question we have to calculate the mass Percent of perchloric acid. the given data: mass…

Q: Why would buffered solution tests be compared to distilled water?

A:

Q: what is the % IPA that should be mixed with water to reach a polarity index of 6.50?

A: Given , The required polarity index = 6.50

Q: Fill out this reagent table

A: In the given question we have to predict the boiling point, the melting point, solubility in water,…

Q: oll (NaOEt) C

A: Reaction of beta keto ester with alkyl halide in presence of a base NaOEt.We have to find out the…

Q: After-Class Activity End-of-Chapter Problems Chapter 1 Q1. A particular flask has a mass of 22.3529…

A:

Q: Part III: Determination of Saturated Solutions Temperature (°C) Molarity (dilute) Molarity…

A:

Q: 40.00 mL of unknown calcium hydroxide solution is titrated with 0.200 M standard nitric acid…

A: Using M1V1=M2V2

Q: To what volume should you dilute 124 mL of an 8.05 M CuCla solution so that 49.0 mL of the diluted…

A:

Q: 13) 0.0972 g of CO, was dissolved in 100 g of water. Expressed in parts per million (ppm), this…

A: (13) The ppm formula is - ppm = (mass of Solute in g/mass of Solution in g)×106 ppm =…

Q: Šample 1 Sample 2 [1] Volume of HCI (mL) 50.0 50.1 [2] Temperature of HCI ("C) 23.5 25.0 [3] Volume…

A: The explanation of the given problem is given below

Q: Describe the process used to find the mass of Barium Chloride reacted and the mass of Sodium…

A: Limiting agent can be described as the substance which is present in low amount and in a reaction…

Q: A. Test for Physlcal State (cite your references) Characterlstics Tube 1- 10 drops of Tube 2 - 10…

A: Benzene : Physical state = liquid Colour= colourless or yellow liquid at room temperature  Odour =…

Q: Salt Formula Salt Name Picture of Flame Test BaCl, CaCl, CuCl, FeCl, KCI LICI NaCI SrCI,

A: The flame test is one of the earlier method to identify some metal ions. The color observed in this…

Q: Which substances are molecular substances? water in glass

A: Molecular substances are substances composed of two or more atoms joined together by a covalent…

Q: Demonstrate understanding on the benzene-water mixture

A: Benzene is an organic compound with nonpolar nature while water is polar in nature. According to…

Q: Solubility of Ionic Compounds Classify each of the compounds as soluble or not soluble: soluble…

A: Solubility of a substance is the ability of solute to dissolve in a solvent. It depends on the…

Q: No Plagiarism Please! In one to two sentences, describe the process by which the ionic compound,…

A: Lithium chloride is a chemical compound with a chemical formula “LiCl”. The salt is a normal ionic…

Q: OH 10) Т. NANE THE FF. ) CH, CH CH, CH CH3 CH3 OH 2) CH, CEC CH CH, CH, OH CH, CH= CH CH, CH CH OH…

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

Q: How do you fill out this chart with this imformation? Please help with a step by step along with…

A:

Q: Consider this organic reaction: Br CH 3 OH

A: Given is an alkyl halide and a nucleophile .To find the major product of the reaction.We consider…

Q: a molecular-level Draw and upload here as an attachment representation of ammonium chloride (NH4Cl)…

A:

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: What goal is accomplished by standardizing  solutions?

A: Standard solution is made from a solute of known amount to prepare a solution of known…

Q: KMnO4/mild OH- CHCl3/KOH

A: This problem is based on general organic chemistry reaction mechanism.Here, two reactions are given.…

Q: What examples sampling tests, information, data in regards to salt content be used for class mean in…

A: To compare the salt content between regular and unsalted tomato sauce, you can use various sampling…

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.