How will you prepare a 0.1 L, 0.10 M buffer with pH of 6.7 if you have the following: sodium dihydrogen phosphate: 0.2 M disodium phosphate: 0.2 M hydrochloric acid: 1 M sodium hydroxide: 1 M pKa = 7.2

Q: 35. Y =[co, – a//3) ¢,] represents normalised a molecular orbital constructed from two different ato...

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Q: QUESTION 9 How many joules must be absorbed by 14.6g of manganese originally at 22.6°C to raise its ...

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Q: Use the following PE diagram to answer the following question. 100 80 60 PE (kJ) A+B 40 20 C + D Pro...

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Q: Which of the following statements is INCORRECT? H3PO4 is a stronger acid than H2PO4- HClO3 is a stro...

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Q: Incorrect Separation Scheme HO. HO. Br ether, 5% NaHCO3 ether aq HO. Br 6M HC1 gravity filtration S ...

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Q: 2. are the percent compositions of the flue (dry basis) if the fuel is burned stoichiometrically? As...

A: The solution of the question is given below: The information given is:  C = 83 % H2 = 7% O = 5% S = ...

Q: Identify which of the following compounds is most acidic. H-N IV Ov

A: The order of acidity of acid is same as the order of acidity of there conjugate base.  

Q: Consider the following reaction: PCI5(g) PCI3(9) + Cl2(g) If 3.32x10-3 moles of PCI5(g), 0.436 moles...

A: Given, PCl5(g) ⇌ PCl3(g) + Cl2(g) Temperature (T) = 738 K At Equilibrium, moles of PCl5(g) = 3.32 × ...

Q: Give a clear handwritten answer of this buffer solution ..we need to find out buffer pH...given 0.3 ...

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A: Given that , An aldehyde reacts with different reagents and the respective products are as follows.

Q: Phosphorous acid, H, PO, (aq), is a diprotic oxyacid that is an mportant compound in industry and ag...

A: a.) Before any KOH is added , there is only acid , so we would draw an ICE table and use Ka value to...

Q: A supersaturated solution of CH3COO-Na+ will crystallize spontaneously. Predict the signs of AH,AS,A...

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Q: Draw the major product of this reaction. Ignore inorganic byproducts. H. NaCN, HCI Type here to sear...

A: Organic reactions are those in which organic reactant react to form organic products.

Q: A diprotic base (B) has pk, values of 3.36 (pKh1) and 6.72 (pK2).

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Q: In each of the molecules drawn below one chemical bond is colored red. Decide whether this bond is l...

A: Here, we have to find whether the red-colored bonds are polar or not. If the bond is polar, we have ...

Q: NH2NH2, KOH

A: As we know ketone undergoes nucleophilic addiction reaction mechanism. So major product will be alka...

Q: ached equilibrium. P

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Q: Consider the following redox reaction with nitrogen (N): NO3 + H* + 8e +→ _NH4* a. Balance this redo...

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Q: Write the molecular formula that is consistent with the following mass spectral data (e.g. C4H10). L...

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Q: Given the complex, [Rh(en)2(NO2)2]NO2 1) Name it. 2) What is the oxidation state of the metal? 3) Wh...

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Q: of K. for t

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Q: Consider this equilibrium reaction at 400 K. Br, (g) + Cl, (g) = 2 BRCI(g) K. = 7.0 = 0.00415 M, [Br...

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Q: Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox") reactio...

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Q: 3. The double replacement between silver nitrate solution and sodium chloride solution is written wi...

A: Reversible reaction : The reaction which can proceed in both directions i.e. forward and backward. D...

Q: Give the IUPAC name for each of the following: || CH,CH,-0-C- CH,CH, a. b. CH,CH,CH, СН,— С-О-CH,CH,...

A: The given compounds are ester.   

Q: [References) Use the References to access important values if needed for this question. According to...

A: Here ideal pressure is given. We can calculate pressure using van der Waals equation. From that we c...

Q: How many moles of carbon dioxide could be produced if 10 moles of octane, C gH 18, are combined with...

A: Given No. of mole octane = 10 moles  No. of moles oxygen= 20 moles  find no. of moles CO2     

Q: net ionic equation

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Q: What is Ka at 25°C for the following equilibrium given Kb (CH3NH2) = 4.4 × 10–4 at 25°C.?

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Q: MOLAR MASS CALCULATION: Element Symbol No. of Atoms Atomic Mass Mass Contribution X %3D X X %3D Mola...

A: Molecular formula of Compound is Al2(SO4)3  Atomic mass :-  Al = 26.982 u , S = 32.065 u , O = 15.99...

Q: What is the predicted product of the reaction shown? NH3 O,N- O2N- -NH2 II O2N- CI O2N NH2 IV O2N- I...

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Q: Calculate the rate constant, k, for a reaction at 67.0 °C that has an activation energy of 77.5 kJ/m...

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Q: Balance and complete: HNO3(aq)+K2CO3(aq) Show your work!

A: We have to complete and balance the chemical equation given in the question.

Q: In a coffee-cup calorimeter, 110.0 mL of 1.4 M NaOH and 110.0 mL of 1.4 M HCI are mixed. Both soluti...

A: The total volume of the solution is = 110.0 + 110.0 = 220.0 mL The increase in the temperature of th...

Q: 7. Each of the following statements about the properties of matter are false. Choose two statements ...

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Q: What is the rate of disappearance of H2 from 0 s to 16 s? What is the rate of disappearance of O2 f...

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Q: A technical machinist is asked to build a cubical steel tank that will hold 370 L of water. Calculat...

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Q: nemical compound

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Q: O at% Ag = 0 wt% Ag Composition Composition Temperature Composition (at% Ag) Temperature = 392 °F %3...

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Q: Consider the ionization of HBrO3 and identify each species listed as a Bronsted-Lowry acid, Bronsted...

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Q: a. Identify THREE (3) isotherm shapes that are typically encountered in an adsorption process for a ...

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Q: Why is it needed to cover the buffer solutions until their pH is determined? For a buffer prepared ...

A: Generally we cover a buffer solution untill the pH is determined because-

Q: You are given a solution of 0.20M CoCl3, 0.15M SnCl2, 0.35M CuCl2, and 0.25M AgCl.Giventhe following...

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Q: Titration of 0.1615 g of an unknown monoprotic acid dissolved in 25.00 mL of water requires 21.84 mL...

A: Given, An unknown monoprotic acid (HA)  Molarity of NaOH solution = 0.1231 M = 0.1231 mol/L Volume o...

Q: Outcome 10- Bridge Assignment 1 Ring Naming/Aromaticity 1) Name these molecules: tor NH2

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Q: Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C,H5CO2H) and 0.15M sodium ...

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Q: Sodium dichromate is an effective used to convert secondary alcohols to ketones. O Oxidizing reagent...

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Q: Compound A of formula CgH140 is chiral. Reaction of compound A with HBr yields a mixture of two prod...

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Q: How many moles of KIKI are in 320 mLmL of a 5.5 MM solution of KIKI?

A: Given, moles of KI = ? Molarity of KI solution = 5.5 M = 5.5 mol/L Note: 1000 mL = 1 L Volume of KI ...

Q: Part 1. Standardization of the KMN0, Solution Experimental Data Mass of weighing funnel and Na,C,O, ...

A: A question based on mole concept that is to be accomplished.

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.