stlon What are the components of the buffer solution when 0.20 mol H3PO4 is made to react with 0.40 mol of the bas О НРОД? only O H2PO42 = HPO4² O H2PO42 < HPO41 H2PO4-1 > HPO42

Q: a greater impact on the half-life of the reaction, H" or H2O2? H

A: In this question we have to explain that which has a greater impact on the half- life of the reactio...

Q: What is the hydronium-ion concentration of a 5.58 x 104 M solution of p-bromobenzoic acid, BrCg H4 C...

A:

Q: 3. Ascorbic acid (vitamin C, C6H&O6) is a water-soluble vitamin. A solution containing 80.5 g of asc...

A: 3. Sol :-  Given,  Mass of C6H8O6 = 80.5 g  Mass of water = 210 g  Density of the solution = 1.22 g/...

Q: Which structure is a portion of 1. chitin 2. glycogen 3. Dextran 4. Cellulose? IN-, 1. B 2. A 3. D 4...

A: the solution is shown below.

Q: A 0.001 m solution of a weak electrolyte ionizes into 4 ions freezes at -0.06C. What is the apparent...

A: Given: Molality of weak electrolyte = 0.001 m And the freezing point of the solution = -0.06 oC  

Q: It is possible to guess the type of salt, acidic or alkaline, based on

A: Answer ) salt is formed by the neutralization reaction of acid and base.  HA (acid )  +  BOH (base) ...

Q: ronsted-Lowry base

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

Q: Which of the following substances has the highest molar heat of vaporization?     Question 1 option...

A: Heat of vaporization : the amount of heat is required to change the substance from solid state to li...

Q: aqueous solution was prepared by dissolving 4.93 g of KI in enough water to make 500.0 mL of solutio...

A:

Q: A cylinder contains 29.0 L of oxygen gas at a pressure of 1.7 atm and a temperature of 280 K . How ...

A: Given Volume(V) =29L Given pressure(P)=1.7atm Temperature(T)=280K Gas constant(R)=0.0821Lk-1atm mol-...

Q: 190g = 0.42lb How does your experimental factor compare to the standard conversion factor of 454 g/l...

A: Given: Experimental relation =&gt; 190 g = 0.42 lb.  

Q: A neutral atom has the following electron configuration: 1s 25 2p°3s*3p² 6. What is the chemical sym...

A: Given configuration is :  1s22s22p63s23p2  The configuration belongs to neutral atom and for neutral...

Q: Determine the molecular formulas to which the following empirical formulas and molar masses pertain....

A:

Q: A 0.800 M HCl was diluted to a final volume of 500. mL . If the new concentration is 0.20M . What wa...

A: Given: Initial concentration of HCl = 0.800 M Final volume of solution = 500 mL. And the final conce...

Q: 06 ml of a standard NaOH was consumed in the titration of 5.0 mlL CHyCOOH sample. Calculate for the ...

A: Given: 1.0 mL of NaOH is equivalent to 0.1071 g of KHP. Volume of NaOH solution required = 9.6 mL. V...

Q: Give the general formula of the following: 1. Alcohols 2. Phenols 3. Ethers What is the nomenclature...

A:

Q: Which lettered subunit is the nonreducing end? CHOH CHOH CHOH CHOH 1 CHOH O OH OH он CH 3 CH.OH он о...

A: To find the reducing And Non - Reducing end in the given structure of Sugar.

Q: CALCULATED VALUES VOLUMES Calculate the volume of each solution, volume of water and the total volum...

A:

Q: What is the freezing point of a solution in which 20.0 grams of sucrose (C12H22O12) is dissolved in ...

A: When a non volatile solute is dissolved in a solvent, the freezing point of the solution decreases k...

Q: 300.0 mL of a 0.450 M solution of NaI is diluted to 700.0 mL. What is the new concentration of the s...

A: Given that, M1=0.450 M , V1=300.0 mL  M2=? , V2=700.0 mL   

Q: Complete the balanced neutralization equation for the reaction below: HNO:(aq) + Ba(OH):(aq)

A: Neutralization reaction is the reaction between acid and base to form salt and water. And balance re...

Q: What is the concentration of an aqueous HI solution that has a pH of 2.26? 1.82 x 103 M 5.50 x 10-3 ...

A: Given that, pH of HI = 2.26  Then, [HI] = ?

Q: Which of the following is the correct systematic name of the disaccharide shown'

A: Option C Is correct. see below.

Q: EXPERIMENTAL DATA The initial concentrations of SCN after dilution were calculated as part of the Pr...

A: The data given is, And the final volume of solution = 15.00 mL.

Q: The heat of vaporization of hexane is 30.8 kJ. mol-1. The boiling point of hexane at a pressure of 1...

A:

Q: The proportion of sodium hydroxide in a mixture can be determined by

A: Sodium hydroxide in a mixture can be determined by various ways. Formula of sodium hydroxide is NaOH...

Q: The heat of vaporization of hexane is 30.8 kJ. mol-1. The boiling point of hexane at a pressure of 1...

A:

Q: A 3.788 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis ...

A:

Q: Find the molarity of 0.13g of calcium hydroxide, Ca OH)2, 33.00 mL solution

A:

Q: Let Us Try Using the concepts we've learned, classify the given compound in the table as polar or no...

A:

Q: If a strong acid is added in a buffered solution, the hydronium ions react with the conjugate base/s...

A:

Q: All of the following given are colligative properties except ? Select one: a. Boiling Point Solution...

A: Given; To identify the option which is not a colligative property.  

Q: Which lettered subunit is the nonreducing end? CHOH CH OH A CHOH CHOH 1 CH CHOH O CH OH CH OH C OH C...

A: Reducing sugars are those sugars which gives positive tollens test, felhing test and have free aldeh...

Q: Draw a D-glucose structure and identify the pyran ring. Also, draw a D-fructose and identify the fur...

A:

Q: In biological systems, buffers are important because they facilitate changes in pH to enhance biolog...

A: 11. Buffer is aqueous solution used to keep the pH solution nearly constant.

Q: EXERCISE NO.1 In each of the following solutions, identify the solute and solvent and their classifi...

A: Classification of mixture, compounds and elements.   As per our guideline we have to answer first th...

Q: 11. Explain how the correspondence principle indicates that for high energies, quantum mechanics agr...

A: Solution- 1. Relation between Classical mechanics and quantum mechanics- Classical physics explains ...

Q: A 50.1 g sample of iron is put into a calorimeter (see sketch at right) that contains 100.0 g of wat...

A:

Q: If this were a portion of a polysaccharide, which best describe the saccharide shown? None of the gi...

A: solution shownbelow.  

Q: Metallic calcium crystallized in a face-centered cubic lattice and the atomic radius of calcium is 1...

A:

Q: llow solutic

A: Monosaccharide  B -Fructose →Benedict -Brick Red  →Bail's  orcinol -Light yellow →seliwanoff's -Cher...

Q: It is a chemical use to signal the end of reactions in a titration? Select one: a. Indicator b. cata...

A: Given statement is : It is a chemical use to signal the end of reactions in a titration = ?  Select ...

Q: nes b) ethers

A: Isomers are the compounds which have same chemical formulae but have different arrangement of atoms ...

Q: Which test can be used to differentiate starch and sucrose? O eliwanoff's Test O Benedict's Test O l...

A: Starch is a polysaccharide ( long sugar molecule chains)  while sucrose is disaccharide which is for...

Q: Nitrogen and hydrogen react to form ammonia, like this: N,(g)+3H,(g) 2NH, (g) Suppose a mixture of N...

A:

Q: A chemist must prepare 0.675 L of 1.00 M aqueous nickel(II) chloride (NiCl,) working solution. She'l...

A:

Q: What is the name of the compound with the chemical formula Fe(10,),? Spelling counts. name: What is ...

A: Write the nme for given compounds in the problem by using certain rules.

Q: What is the mole fraction of substance B (ethanol) in a mixture that is 58.4% weight

A: If total mass of mixture = 100 g  Then  Mass of water = 58.4 g Mass of Ethanol = 100-58.4=41.6 g Mol...

Q: Question 48 Which structure is a portion of 1. chitin 2. glycogen 3. Dextran 4. Cellulose? OH aft4) ...

A:

Q: Instructions: Complete the table below.

A:   Types of intermolecular forces (IMF's) : 1. Dispersion forces (or) London forces : These forces ex...

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.