What is the pH of 0.42 mol benzoic acid reacted with 0.17 mol NaOH? Total volume = 0.66 L Ka 6.3*10-5 Report your answer to two decimal places

Q: Be sure to answer all parts. Nitrous acid, HNO2, has a K₂ of 7.1 x 10-4. What are [H3O+]-I [NO₂]-[…

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Q: Suppose that 4.92 grams of X (MW = 35.78) are dissolved in 647 mL of water, and the water…

A: Volume of water = 647 mL Density of water = 1.0 g/mL Hence, mass of water M = (1.0 g/mL) × (647 mL)…

Q: If you mix 15 mL of 0.525 M KI and 20 ml of 0.015 M KCI in a 50-mL volumetric flask and dilute to…

A: Given that,  Volume of 0.525 M KI solution = 15 mL = 0.015 L Miles of KI in 0.015 L = 0.525 M× 0.015…

Q: 13. What is the pH of blood with [H+] = 4.8 x 10-8 M? %3D

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Q: CONCENTRATION PRACTICE PROBLEMS One can of Coke holds 355 mL of soda and contains 34 mg of caffeine.…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solve first three parts…

Q: What is the pH c

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Q: 3. You place some solid copper(1) chloride CuCl in a beaker of distilled water. You measure the…

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Q: TUTOR A solution is made by dissolving 24.2 g of ammonium bromide, NH,Br, in enough water to make…

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Q: Calculate the following concentrations for an aluminum hydroxide Al(OH)3 solution containing 150 g…

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Q: Choose the best answer for the pOH of a solution containing 4.0 x 10-M of [H]. 6.3 x 106 2.5 x 10-10…

A: PH is defined as negative logarithm hydrogen ion concentration to the base 10…

Q: Given the balancedequation: HBr(aq) + NaOH(aq) NaBr(aq) + H2O) and remembering that Molarity =…

A: This is an acid base reaction between HBr and NaOH. HBr(aq) +    NaOH(aq)    → NaBr (aq)   +  H2O(l)

Q: How many J are there in 30.0 kcal? (1 cal = 4.18 J) %3D

A: Unit conversion can be used to convert one unit into another unit with the help of conversion factor…

Q: 11. What is the pH if the hydrogen ion concentration in a vinegar solution is 0.001 M? Answer:…

A: pH : pH can be defined as the negative logarithm of hydrogen ion concentration pH = -log[H+]  when…

Q: the pKa of the weak acid tha acid dissosciation constant, Ka of the monoprotic acid, HA

A: this is acid base titration. Weak Acid is HA and strong base is NaOH. When NaOH is added to HA…

Q: A student sets up and solves the following equation to solve a problem in solution stoichiometry.…

A: Given -> (8.7 mol/L )(0.16 []) (59.65 g/mole) = 83 g

Q: Acetic acid, C₂H4O2(aq), is the weak monoprotic acid found in vinegar. It has a Ka value of 1.75 x…

A: given data  concentration of acetic acid = 0.84 mol/L Ka = 1.75×10-5 find conc of H3O+

Q: Al203 (s) =2AI3* (aq) + 302- (aq) If, at equilibrium, a beaker contains 1.00 L of solution with 13.8…

A: The concentration of Al3+ and O2- at equilibrium is 0.276 M and 0.0101 M, respectively. The…

Q: alculating concentra You have dissolved 10 g sodium oxide in 200 ml water. Calculate concentration…

A: 1) Given mass of sodium oxide (Na2O)= 10g volume of solution = 200 mL = 200 x 10-3 L Also, molar…

Q: Which of the ff. is TRUE about precipitation methods? The precipitate is not easily filtered The…

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Q: Pre-lab question #3-4: Consider the following equilibrium for nitrous acid, HNO2, a weak acid: HNO2…

A: Given reaction is  HNO2 + H2O <-> H3O+ + NO2-

Q: What is the pH of a 0.095 M C6H5CO2H M solution if the K, of C6 10-5? Your Answer: Answer

A: Given,  Concentration (C) = 0.0950 M Ka = 6.5 × 10-5 pKa = -log(6.5×10-5 )  = 4.19

Q: Given that both reactaat are at I mole, how muchwater Cingrams) will be foodoced? 2 CzHe ty0z 7 4…

A: The balanced reaction taking place is given as, => 2 C2H6 + 7 O2 → 4 CO2 + 6 H2O Given: Moles of…

Q: Question 3 What is the approximate pH of a 0.5 M solution of NaOH? A O to 1 3 to 4 C 7 to 8 13 to 14…

A: Given:: Molarity of NaOH=0.5 M pH = ?

Q: [References] What is the molar hydronium ion concentration in solutions with each of the following…

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Q: Choose the best possible answer OH Swem cxidation OH excess 目 OH

A: Swern oxidation is an organic oxidation reaction where a primary alcohol is oxidised to an aldehyde…

Q: What is the pH of a 3.40 M solution of HNO₂ (Ka = 4.5 x 10-4)? Your Answer: Answer

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Q: What is the pH of a 0.138 M C6H5CO₂H M solution if the K₂ of C6H5CO₂H is 6.5 x 10-5? Your Answer:

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Q: Each row of the table below describes an aqueous solution at about 25 °C. Complete the table. That…

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Q: entration 77

A: Strong acid is species which release hydrogen ions and strong base is species which release hydroxyl…

Q: What is the pH of a 2.05 M solution of NH4CI (Kp of NH3= 1.8 x 10-5)? Your Answer: Answer

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Q: What is the concentration of citrix acid in lime juice  mm of citrix  acid 192.14mol given : 2.07…

A: To find the Concentration of citric acid in lime juice  We have given that  No. of mole of citric…

Q: A weak acid is added to a solution of strong acid (HCl) of unknown concentration. The concentration…

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Q: Write the formula of the conjugate acid of the Brønsted-Lowry base, (CH3)2NH

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Q: The pH of an aqueous solution of acetic acid (CH3COOH) is 2.0. What is the initial molar…

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Q: Given for 6-8: NaOH is a strong base at 0.0126M concentration. 6. What is its [OH]? Answer:…

A: Given- Concentration of NaOH = 0.0126 M

Q: NaCl (aq) + KNO3 (aq) NaCl (aq) + AgNO3 (aq) NazCO3 (aq) + HCI (aq) FeCl3 (aq) + NaOH (aq) BaCl2…

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Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs…

A: Well, we know two moles of NaOH are required to neutralize one mole of oxalic acid. so using this…

Q: pts) Determine the concentrations of each of the following ions in: a. 0.25 M NaCl solution [Na+] =…

A: Determination  of concentration  of given solution

Q: Calculate the Kb of a 0.71 M solution of X that has a p O H of 1.8. Answer to three significant…

A: Given: pOH = 1.8Therefore pOH = - log [ OH- ][ OH- ] = 10-pOH = 10-1.8 = 1.58 × 10-2 M

Q: Determine the pH of a 0.095M hypochlorous acid solution given that the K₂=3.0 x 10 (EQ3.7)…

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Q: Standardization Answer the concentrations in 3 significant figure. The tolerance or error should…

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Q: beer, pH 4.6 Express your answer to two significant figures and include the appropriate units. HẢ ?…

A: We know that, pH is the negative logarithm of hydronium ion concentration. i.e.,…

Q: What is the molar solubility of a hypothetical compound AB in a solution containing 19.92 M B given…

A: Molar solubility of compound is defined as number of moles of substance dissolved in per litre of…