An aqueous solution contains 0.301 M hydrocyanic acid. Calculate the pH of the solution after the addition of 1.45x10-2 moles of potasslum hydroxide to 125 mL of this solution. (Assume that the volume does not change upon adding potassium hydroxlde) pH =

Q: A monatomic ion with a charge of +1 has an electronic configuration of 1s²2s²2p⁶3s²3p⁶ What is the ...

A: Given configuration of ion--- 1s² 2s² 2p⁶ 3s² 3p⁶    

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Q: what is the electronic configuration for Lu3+

A: We have to write the electronic configuration of Lu3+

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Q: Calculate the molar solubility of Lead (II) fluoride. Ksp PbF2=4.1 x 10-8 1.6 x 10-3 M 1.8 x 10-3 M...

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Q: Ligand X forms a complex with both cobalt and copper, each of which has a maximum absorbance at 510 ...

A: The solution of the question is given below:

Q: For the reaction N2(g)+3H2(g)⇌2NH3(g) Kp = 5.10×10−3 at 345 ∘C. What is Kc for the reaction at thi...

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Q: Classify each acid as strong or weak. If the acid is weak, write an expression for the acid ionizati...

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Q: combustion of methane is represented by the equation: CH4 + 2O2 → CO2 + 2H2O

A: Given :-  combustion of methane :  CH4 + 2O2 ---> CO2 + 2H2O  To determine :-  Oxidized compound...

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Q: Provide the correct IUPAC name for the skeletal (line-bond) structure shown here. 3,3,3,3- 2,2- 3,3-...

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Q: Write a balanced equation for the formation reaction of each of the following substances: a) K3PO4(s...

A: There are different coindition for production of compounds

Q: Which one of the following statements is FALSE regarding the operation of the battery? O The mangane...

A: Answer option A.

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A: A peptide has two ends: The end with a free amino group is called the N-terminal amino acid residue....

Q: A bicycle tire is inflated to a pressure of 3.74 atm at 15°C. If the tire is heated to 35°C, what is...

A:

Q: In 100 ml of solution there are Ca2+ ions 0.25 M and Ba2+ 0.05 M. Calculate the mass of Na2SO4 that ...

A: Ksp of CaSO4 = 4.9 x 10-5 Ksp of BaSO4 = 1.1 x 10-10 [Ca2+] = 0.25 M [Ba2+] = 0.05 M   The amount of...

Q: 4. The explosive nitroglycerin decomposes rapidly according to the reaction 4 C3H5N3O9 (1) → 12 CO2(...

A:

Q: 4. Calculate the cation exchange capacity of the soil in which the following amounts of exchangeable...

A: K+ = 0.0152 g                     = 0.0152 / 39.1 mole = 3.88 x 10-4 mol                     = 0.038...

Q: 3.38 Mercury is poured into the tube in the figure until the mercury occupies 375 mm of the tube's l...

A: Solution -

Q: Quèstion 5 What are the generic products of the reaction between an acid and a metal carbonate?

A: The product between the reaction of metal carbonate and acid is given below

Q: STRUCTURAL FORMULA FUNCTIONAL GROUP IUPAC NAME CH,CH,O- -NH2 CH3 CH CH3 CH,CH3 НССНСHCH, CH3

A:

Q: A student carried out a similar experiment to the one in this lab, but used a hydrate of cobalt (II)...

A: * To determine % error, you will require previously determined value of n also. Then, % error = Prev...

Q: Define and give an example of (a) A weak acid, (b) A weak base

A: Definition of weak acid and weak base with example is given below

Q: Consider the Lewis structure below. Assign formal charges to each atom. [Image description: A Lewis ...

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Q: What is the pH of an aqueous solution at 25.0 °C that contains 1.35 × 10-8 M hydronium ion? Group of...

A: Given that, [H3O+] = 1.35*10-8 M pH = ?

Q: A1 liter solution contains 0.549 M hydrofluoric acid and 0.412 M sodium fluorlde. Addition of 0.206 ...

A:

Q: . Twenty-five pounds of propane are held in a sealed container at 350 psia. The volume of the contai...

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Q: A student carefully places a piece of metal at a temperature of2.0 °C into 50.0 g of water at a temp...

A: Given that   Initial temperature of metal = 2.0 °C   Initial temperature of water = 65.5 °C   Final ...

Q: P = P2O5 × 0.44 P2O5 = P × 2.29 K = K2O × 0.83 K2O = K × 1.21 1 tonne = 1,000 kg 1 ha = 10,000 m2 Us...

A: Given that, P = P2O5 × 0.44 P2O5 = P × 2.29 K = K2O × 0.83 K2O = K × 1.21 1 tonne = 1,000 kg 1 ha =...

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A:

Q: 8. Glycolysis involves ten biochemical reactions. The first two reactions of the glycolysis cycle ar...

A: Given that, two reactions are given below (1) C6H12O6(aq) + ATP(aq) ↔G6P(aq) + ADP(aq), ∆H1 = -19.74...

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Q: If 44.8 L of chlorine react with hydrogen to make hydrogen chloride, about how many mole of hydrogen...

A: Hydrogen reacts with chlorine to form hydrogen chloride. The equation for the balanced chemical reac...

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A: Corn oil has high amount of unsaturated fatty acids such as myristic,palmic, stearic and linoleic fa...

Q: How does diffusion differ from osmosis

A: Diffusion the basically the movement of both solvent and solute substances whereas the osmosis is th...

Q: Based on the principles of chemcial equilibriumm, how should the percent ionization vary as the conc...

A:                              Answer  For a solution of a weak acid or a weak base, the percent ioniz...

Q: 1 tonne = 1,000 kg 1 ha = 10,000 m2 Using the conversions above calculate : What amount of nutrient...

A: granular fertilize. The grade (of granular fertilizer) is 12-22-18, which is the percentage by weigh...

Q: What would be produced if the 2,4-dinitrophenylhydrazone was prepared in the presence of NaBH3CN?

A:

Q: Challenges and prospects of deploying Carbon Capture Utilisation and Storage (CCUS) at scale.

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Q: Which of these is the correct representation of a beta particle? a) He b) y c) e d) je a O b o d

A: Given symbols: He24 γ00 e+10 e-10 We have to find the correct representation of a beta particle.  

Q: The formula for the pH of a solution of hydronium ions is given by the logarithmic equation pH = - l...

A: pH = -log[H3O+] 

Q: how many moles of Ca(NO3)2 are there in 75 mL of 0.25M solution?

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Q: 7. a) A solution was prepared by dissolving 0.02 moles ethanoic acid in water to give 1 L of solutio...

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Q: Which of the following would give a positive Benedict's test? Check all that apply. A

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Q: he change of the entropy for a process of dissolving the polymer in certain solvent is S = -0.07- mo...

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Q: The drawing below shows a mixture of molecules: key carbon hydrogen nitrogen O sulfur oxygen chlorin...

A:

Q: How many bottles of a 1.5 liters coke will you need to fill an entire 5.0 gallons empty water jug?  ...

A: Given-> Volume of bottle = 1.5 litere. Volume of jug = 5.0 gallon  

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.