What is the pH of 94.1 mL of a solution which is 0.76 M in NaF and 0.81 M in HF?  For HF use Ka = 6.8×10-4.

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Q: Note: If there is a mistake in a row, only one of the three quantities listed is wrong. Also, you…

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Q: Calculate the volume in liters of a 9.5 x 10 mm mercury (1) chloride solution that contains 225.…

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Q: Question 2 of 25 Solid sodium reacts with liquid water to form hydrogen gas according to the…

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Q: 42. Which of the following substituents (Z) on a benzene ring (PhZ) does all of the following:…

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Q: You have a gas sample of carbon dioxide at 298 K If the pressure is 0.827 atm what is the pressure…

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Q: Achi O Sect. 4-7 According to the Heisenberg Uncertainty Principle, which of the following be…

A: According to the Heisenberg uncertainty principle, we have to tell among the given options which of…

Q: What volume, in L, would 10.0 moles of nitrous oxide occupy at 65.1 °C with a pressure of 8.80 atm?

A: Given that No. of moles of gas = 10moles Temperature = 65.1oC = 338.1K Pressure = 8.80 atm

Q: Examine the alkyl bromides below. Which is the most reactive as a substrate in E2 reactions with…

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Q: Classify each chemical compound listed in the table below. compound HC104 H₂PO4 KF HF type of…

A: Acid = A substance which can donate a proton/Hydrogen ion. Base = A substance which can accept a…

Q: A chemist must prepare 475. mL of 1.00 M aqueous sodium nitrate (NaNO3) working solution. He'll do…

A: Volume of sodium nitrate =475 mL = V2 Concentration of sodium nitrate =1.00 M =M2 Molarity=5.64mol/L…

Q: Using the ionization energy values, explain the usual degrees of oxidation of alkali (+1), alkaline…

A: Ionization energy - it is an energy that required to remove 1 electron from outer shell of a gaseous…

Q: What compound will have the most conductivity in solution?  A. Potassium bromide  b. Glucose  c.…

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Q: A sample of limestone and other soil materials was heated, and the limestone decomposed to give…

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Q: Sulfuric acid is acidic, but what would be the pH, the sulfuric acid concentration [H2SO4]eq,…

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Q: Please note that "geometry" refers to the molecular or ionic geometry. Recall that for predicting…

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Q: Hydrazine (N 2H 2) and hydrogen peroxide react to produce nitrogen and water. How many grams of…

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Q: Give the organic product(s) formed in the following reaction: CH3 Br to CH3 I III Select one: O A.…

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Q: Question) Draw the following by the Chemdraw and write the Molar Mass? 2-Aminoazobenzene…

A: Given that the compounds are 2-Aminoazobenzene 2-Aminopyridine 2-Iodoaniline…

Q: References Use the References to access important values if needed for this question. Solid silver…

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Q: Calculate the mass of scheelite (CaWO4) that contains a billion (1.00 × 10⁹) oxygen atoms. Be sure…

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Q: Question 8: Draw the product formed when 1-butyne is treated with each of the following sets of…

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Q: A. BeF2 ball & stick B. SCI₂ ball & stick V C. AlBr3 ball & stick v + labels + labels labels Is BeF2…

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Q: You make a voltaic cell with copper and aluminum. If the cell potential is measured to be +2.50 V at…

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Q: The Balmer series provided the clue to the structure of the hydrogen atom, the simplest atom with…

A: The relation between wavelength, energy state and rydberg constant from atomic level is defined as,…

Q: Draw both the S1 and E1 products of each reaction. CH3 a. -Br + H₂O CH₂ b. CH₂-C-CH₂CH₂CH₂ +…

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Q: 2HBr(g) + Cl₂(g) 2HCl(g) + Br₂(g) What is the free-energy change for these reactions at 298 K?…

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Q: For each chemical reaction in the table below, decide whether the highlighted reactant is a…

A: -> Bronsted Lowry acid is acid which can donate proton to base . -> Bronsted Lowry base is…

Q: is a dipro Kal HSCH₂ CH₂ SHH+ + HSCH₂ CH₂ S HSCH₂ CH₂ SH+ + SCH² CH₂ S- Kb1 SCH² CH₂ S + H₂OOH +…

A: we have to calculate the value of Kb2

Q: Temp (°C) 110 100 90 80 70 60 50 40 Distillation Curve 0 20 40 60 80 100 120 Volume (drops) Based…

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Q: Sodium nitrate breaks down to form sodium nitrite and oxygen. What volume of oxygen is produced when…

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Q: (Show or describe your work) Suppose the reaction A B has an equilibrium constant of Keq = [B]…

A: The overall rate for the forward reaction is the sum of forward reaction by the uncatalyzed pathway…

Q: Identify 4 peaks an annotate the IR of cyclohexene

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Q: A student runs two experiments with a constant-volume "bomb" calorimeter containing 1100. g of water…

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Q: 27. Which is the expected product for the reaction of propyne with excess HBr?. A. 1-bromopropane B.…

A: since you posted a question with multiple subparts, we will solve the first three subparts for you.…

Q: If 70.0 grams of carbonic acid are sealed in a 2.00 L soda bottle at room temperature (298.15 K) and…

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Q: > 2. Predict the products and draw the mechanism of the reaction below showing any relevant…

A: The reaction proceed through E2 mechanism where the base abstract proton from the plane  opposite to…

Q: D-H H-Br Explain (in no less than 2 sentences) why this reaction proceeds via S1 pathway.

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Q: Qu Designate the R/S configuration for any chiral centers in the following molecules 1. 3. Вг 5. 7.…

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Q: Choose all of the processes from below which describe changes which are independent of the path by…

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Q: Gaseous NOBr is placed in a closed container at -169 oC, where it partially decomposes to NO and…

A: Balanced chemical equation: 2 NOBr(g) -----> 2 NO(g) + 1 Br2(g)

Q: Complete and balance the following redox reaction in basic solution. Be sure to include the proper…

A: To balance the reaction in basic solution:  1) write the equation in two halves  2) check if all…

Q: What is the IUPAC name of this compound? H3C CH3 ö НО

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Q: Write the equilli brium expression of ( :(3) + 2H₂ (g) = (H₂ (g)

A: The equallibirium expression of a given reaction is given as:

Q: A chemist prepares a solution of sodium carbonate (Na₂CO3) by measuring out 13. g of sodium…

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Q: The Solubility Product Constant for silver hydroxide is 2.0 × 10-8. The molar solubility of silver…

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Q: Consider the weak acid HCO₂ whose pka 10.32, which form will predominate when the pH of the solution…

A: Here we are required to predict the predominant form the species at pH =8.5

Q: Which of the following structures, A or B, has the faster rate of reaction in a Diels-Alder…

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Q: 1. Observe: Type "H2" into the Reactants box and hit Enter on your keyboard. Note that the formula…

A: There are three questions asked. So only first one will be solved as per the guidelines. Kindly post…

Q: For a particular reaction. AH-39 kJ and AS-93 J/K Assume that AH and AS do not vary with…

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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.