A student needs to prepare a buffer solution with a pH of 5.57. Assuming a pKåa of 4.73, how many mL of 0.1 M N a C2H3O2 would need to be added to 16.0 mL of 0.1 M HC2H3O2 to prepare this buffer?

Q: Calculate the mass of CO₂ produced from the decomposition of 31.00g of NaHCO3.

A: Mass of NaHCO3 = 31 gMass Of CO2 = ?Molar mass of NaHCO3 is 84.0g/mol and that of CO2 is…

Q: Choose the two words which complete the following sentence to make a true statement. As the number…

A:

Q: Which one of the reagents above are best to perform the following transformation? OJ, C OI, H, F OI,…

A: Asking the suitable reagent

Q: What would the final product be to this reaction? CI- CI NaOH H₂O

A: The given reaction is an example of a nucleophilic substitution reaction.

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Q: You are titrating a 0.1 M 100 mL sample of NaOH with1.0M HBr. Find the pH at 3, 5, 7, 11, 15 mL of…

A: Given,Molarity of NaOH = 0.1 MVolume of NaOH = 100 mLMolarity of HBr = 10 MVolumes of HBr = 3 mL, 5…

Q: Solution 1 Solution 2 Solution 3 % Composition ooor LitmNH • 8 7 0 1 Molarity Density 1.424 0.7468…

A:

Q: We have 0.1L of a 0.1M buffer, the PH is 9 and the pka is 9.6, We add 0.5mL of 1M hcl What would the…

A:

Q: Using IUPAC guidelines, name the following organic compound CH, CH-CH₂-C-CH-CH₂-CH₂ CH, CH₂ CH₂…

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Q: Draw enantiomer of the compound shown below. НО Н ОН I draw structure ...

A: A pair of substances which are non-superimposable mirror images are called as enantiomers.The change…

Q: Time (h) 0.00 6.00 12.00 18.00 24.00 [H₂O₂] (mol L-¹) 1.000 0.500 0.250 0.125 0.0625- A[H₂O₂] (mol…

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A: An  alkene reacts with HCl. It is an addition reaction. We have to draw the product of the reaction.

Q: Which type of Isomerism is described as two compounds having the same molecular formula but…

A: Isomers are the chemical compounds that have same chemical formula but have different structural…

Q: Figure 4 Potential energy HAL Reaction progress Using Figure 4, drag the letters into the correct…

A:

Q: For the following reaction: 2N2O5(g) ---> 4 NO2(g) + O2(g) The rate law is first order with…

A: The rate constant for the first order reaction (k) =  4.82 x 10-3 sec-1 The initial concentration of…

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A: Given question related to how to use IR to tell whether the given reaction proceeded.

Q: Which one should be considered the major thermodynamic product of the following reaction? OH H₂O+ OH…

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Q: estimate the value of the rate constant k

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A: These reactions are electrophilic aromatic substitution reactions. These reactions depend on the…

Q: CH3 H₂ -I A Newman projection of methylcyclohexane is shown below. List the types of strain present…

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Q: The name of the following molecule is: i CH3COCH₂CH₂CH₂CH3 CH₂CH₂CH₂ A/

A: The name of the molecule given below with explanation.

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Q: 1.2-methylcyclobut-1-ene 2. cycloheptane 3.5-methylhept-3-yne 4. CH Organic Compounds 5.…

A: Saturated compounds: Compounds which contain only C-C single bonds Unsaturated compounds: compounds…

Q: If you wanted to prepare 500.0 mL of a 0.250 M solution of dextrose (C6H1206) in water, how much…

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Q: Question 4 When (Z)-3,4-dimethyl-3-octene is treated with excess Hydrogen gas in the presence of…

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Q: Sally was asked to create a dilute solution NaOH. She pipetted 5.00 mL of stock solution into a…

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Q: 2NO₂ + NIO2 N12+ + 2NO3 In the above reaction, the oxidation state of nickel changes from to How…

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Q: Choose the reagent that can accomplish the following transformation: HO.

A: The reagent that can accomplish the following transformation is 1) BH3/THF and hydrogen peroxide…

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Q: The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the…

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Q: Please use this word bank to fill in the blanks of the first 5 questions. Atom 1. S is a/an 2. Sg is…

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Q: What are Valence Electrons? Electrons found in the outermost energy level. Maximum number of valence…

A: Number of electrons present in the outermost energy level are called valence electrons.

Q: 3) The mass of a proton is 1.67 x 10-27 kg. What is the mass of a proton in Gigagrams? A) 1.67 x…

A: 1 Kg = 103 g 1 g = 10-9 Gg 1 Kg = 10-6 Gg

Q: 7. Indicate a plausible synthesis for the following transformation. a. H2SO4 b. 1) MCPBA 2) H30+ c.…

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Q: Draw all stereoisomers of 1,3-dibromocyclopentane. List these isomers as enantiomers, diastereomers,…

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Q: An impure potassium chloride sample weighing about 0.65 g was dissolved in water. Calculate the…

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Q: A ionic compound has the formula MBr4. The mass of 0.2353 mol of the compound is 103.14 g. What is…

A: Given: moles of MBr4 = 0.2353 molMass of MBr4 = 103.14 g As we know, No. of moles =

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A: In the given compound one bulkier (-et) and three (-me) substituents are present on  C2 and C3…

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A: There are various types of reactions in organic chemistry such as,Addition reactionSubstitution…

Q: How much energy is released when 65.72g of water freezes (ANS:-23.0 kJ)

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Q: The temperature rises from 25.00 °C to 29.00 °C in a bomb calorimeter when 3.50 g of sucrose…

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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.