The pH of 300 mL solution made of 1.18 M acetic acid and 0.52 M potassium acetate is (K₂ = 1.8 x 10-5) after the addition of 0.63 moles NaOH

Q: Butanol is 64.81% carbon, 21.59% oxygen, and 13.60% hydrogen by mass. What is the molecular formula…

A: Given that the Butanol is 64.81% carbon, 21.59 % oxygen and 13.60 % hydrogen by mass. The molar mass…

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A: Given,Temperature at which oxygen gas is collected over water = 25 °CTotal pressure = 759…

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Q: Upload a drawing that shows what you think the structure of hydrogen atoms looks like. (Please don't…

A: The diagrammatic representation of atom consisting of nucleus and electrons and other energy level…

Q: How many silicon atoms (Si) are contained in a 12.5 g sample of silicon? Molar Mass of Si = 28…

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Q: The density of dry air is 0.0118 g/cm3. What is the volume of the air that has a mass of 15.5 g?

A: The density of air = 0.0118 g/cm3  Mass of air = 15.5 g  Formula used :  Density = Mass ÷ volume

Q: How many mL of 0.779 M HNO3 are needed to dissolve 5.15 g of BaCO₂? 2HNO3(aq) + BaCO3(s)…

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Q: The pH of a solution is 11.41 at 25 °C. Determine the concentration of OH ions in this solution at…

A: Given, pH = 11.41  we know, => pH + pOH = 14 => pOH = 14 - pH  => pOH = 14 - 11.41 = 2.59

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A: 'Since you have asked more than one question, we can solve only parts of one question. If you want…

Q: 1. Calculate the pH of the following solutions: a. A solution prepared by mixing 30.0 mL of 2.0M…

A: #1:  #(a): Formic acid(HCOOH) is a weak acid with pKa = 3.75  NaOH is a strong base.

Q: How many moles of air must there be in a bicycle tire with a volume of 1.76 L if it has an internal…

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: 2) If 16.817g of a hydrate is found to contain 6.118 g of water, what i in the hydrate? mitt boor 3)…

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Q: What volume of 1.11 M KMnO4, in liters, contains 471 g of solute? Volume= L

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Q: For 1-bromobutane draw Newman projections for the Syn-periplanar, conformation. the Anti- periplanar…

A: Newman projections of a molecule are conformation which are drawn by viewing along a particular…

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Q: After the experiment, a student decides to dispose of their excess Mg safely by reacting it with…

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Q: 7. In reality, there will be some friction in the wheel bearings and between the cart and the track.…

A: we have been given that there will be some frictional force between cart and track. We have been…

Q: What is the balanced chemical equation for potassium hydroxide with each of these Silver nitrate,…

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Q: What is the pH (to the nearest hundredths) of a 0.13 M solution that was made with the…

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Q: 4. To prevent bacterial infection, a doctor orders 4 tablets of amoxicillin per day for 10 days. If…

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Q: 10) NiCO3 + H2SO4 --> NiSO4 + CO2 + H2O If you start with 20.0 g of NiCO3 and 16.5 g of H2SO4 how…

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Q: 7. a. Determine the empirical formula for a compound that contains: 95.21 g Carbon 4.79 g Hydrogen…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: 10. If the 0.08 Molar HCI underwent two fold serial dilution three times, the pH of the final…

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Q: What is the wavelength in nm of 7.47*10-19

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Q: Use the ideal gas equation to evaluate the average volume of a gas at the following conditions:…

A: The ideal gas equation is given as :  PV = nRT  Here , R = Gas constant = 0.08206 atm.L/mol.K  So,…

Q: 1. Find the change in entropy if 72.5 g of aluminum, originally at 225°C, is melted. (HINT you need…

A: To find out the change in entropy when 72.5 g of aluminium initially present at 225°C is melted.…

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Q: The absorbance of known concentration of a metal complex is obtained by UV-vis Time left 0:47:51…

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Q: How many rings are present in C₁4H20? This compound consumes 2 mol of H₂ on catalytic hydrogenation.…

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Q: The freezing point of water is 0.00 °C at 1 atm. If 18.4 g of calcium chloride are dissolved in…

A: To solve this problem we will use the formula  ∆Tf = i Kf m  Where  ∆Tf = depression in freezing…

Q: Which of the following is a strong base? I 11.0 H-C-N-H III CH₂-O-H II CH3-Ö: IV CH3-S:

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Q: The following data are for the gas phase decomposition of dimethyl ether at 500 °C. CH3OCH3(g) →→→…

A: Given -> CH3OCH3(g) ----> CH4(g) + H2(g) + CO(g)  Half life is the time at which concentration…

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Q: What mass of oxalic acid, H₂C2O4, is required to prepare 200. mL of a solution that has a…

A: Given -> Volume= 200 ml = 0.200 L (1L = 1000 ml)  Concentration= 0.45 M

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Q: Given the solubility of zinc hydroxide to be 3.7 x 10-4 g/L, the pH of a saturated Zinc hydroxide…

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Q: During the lab, a student started with 1.001 g of unknown copper compound and isolated 0.955 g of…

A: Given data: Weight of the unknown compound = 1.001 g Weight of metallic copper= 0.955 g,

Q: 7. Consider the titration of 50.0 mL of 0.200 M HNO3 with 0.100 M NaOH. Calculate the pH after the…

A: Here HNO3 is strong acid while NaOH is strong base so this titration is strong acid vs. strong base.…

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.