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: 3 attermpts left Check my work Be sure to answer all parts. Starting with a 6.701 M stock solution…

A: Given data: Initial concentration of HNO3  = 6.701 M AAt each stage, 25 mL of solution is diluted to…

Q: The concentration of Mg2* in a sample of coastal seawater is 1.08 g/kg. What is the molar…

A: concentration of Mg2+ = 1.08 g / kg 1.08 g/Kg means 1.08 g of Mg2+ in 1 Kg ( = 1000 g) Molar mass of…

Q: What is the value of Kb for NO₂™? The Ka of HNO₂ is 4.5 x 10-4.

A: Answer: HNO2 is the weak acid NO2- ion is the conjugate base of HNO2 and we know that product of…

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 of a 0.0067 M solution of Ba(OH)2? Kw = 1.0 × 10-¹4 W pH =

A: The question is based on the concept of the pH of the solution.It is defined as a negative logarithm…

Q: Calculate the Molarity (moles per liter) of H2SO4 solution if 40.00 mL of H2SO4 required 42.10 mL of…

A: Chemical equation: H2SO4(aq) + 2NaOH(aq) →  Na2SO4(aq) + 2H2O(l) from the well-balanced equation, we…

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

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Q: The Ksp for the insoluble ionic compound with formula of M(OH)3, in which M represents a metal is:…

A: Since,Solubility product constant is the multiplication of the dissociated ion with the power of…

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: Answer here based on their molecular structures? between the dye and the water What type of…

A: From the given molecular structure of dye. It contains  large number of hydroxyl groups and…

Q: You have a 1.153 g sample of an unknown solid acid, HA, dissolved in enough water to make 20.00 mL…

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Q: What is the pOH of a solution prepared by diluting 128.9 mL of 1.476 M HNO, (ka>>1) to a total…

A: Given that -  Volume of stock HNO3 Solution =128.9 mL  Molarity of stock HNO3 Solution = 1.476 M…

Q: What is the selenide ion concentration [Se2-] for a (5.53x10^-1) M H₂Se solution that has the…

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Q: A 1.5 M solution of NaOH was made in a laboratory. If the solution made had a volume of 4.5 L, how…

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Q: 9. If 145.0 grams of AICI3 (MM133.35) are dissolved in 720 mL of water to make 800 mL of solution,…

A: Question-1 Given values -> weight of AlCl3=145.0g MM of AlCl3=133.35 Finall volume=800mL=0.800L…

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: 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: How many milliliters of 0.0200 M Ca(OH)₂are required to neutralize 87.7 mL of 0.0300 M HCl? Answer:…

A: We will find out the number of moles of HCl which are neutralized by Ca(OH)2 by using the equation:…

Q: How many grams of NaCl (molar mass = 58.44 g/mole) must be added to 12.0 g of water (molar mass =…

A: Here we have to determine the mass of NaCl must be added to 12 g of water to make a solution which…

Q: How many equivalents in are in 2.00 L of a 5.00 M solution of Na2SO4?

A: Given: Volume of solution = 2.00 L Molarity of solution = 5.00 M

Q: of atoms of

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Q: 5.2.65 gram potassium hydroxide was dissolved in water to make a 750.0 ml stock solution. 20.0 ml of…

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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: Question 4 A solution of 14X buffer is combined with 1.90 mL of an indicator solution and dH,0. The…

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Q: Identify A,B,C&D NH2 NANOHCI H,O/H > B 0-5°C HCI CuzCl2 KI(aq) warm

A: Diazonium salt preparation: Aniline on reaction with NaNO2/HCl gives the diazonium salt. The…

Q: 15 The white blood cell concentration in normal blood is approximately 12,000 cells/mm³. How many…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Calculate the mass of bonic acid required to prepare ca 500 ml ca 4,0 % (m/V) boric acid solution in…

A: Given 4.0% boric acid and 0.020M HCl

Q: Question 7 Given the following info, Find the acid concentration. pH = 10.18 %3D [NH3] = 0.111 K =…

A: Given: pH = 10.18 [NH3] = 0.111 Ka = 5.6 X 10-10

Q: The correct indicator was added to 25.00 mL of a 0.1340 M solution of pentanoic acid (CH3(CH2)3CO0H)…

A: Pentanoic acid is titrated with NaOH.

Q: You have a stock solution of 50 mg/mL of a hormone, if you add 100uL to 150 mL final volume, what is…

A: Given : concentration of stock solution = 50 mg/mL Volume of stock solution taken = 100 uL = 0.1 uL…

Q: Calculate the volume of 0.560-M NaOH solution needed to completely neutralize 76.0 mL of a 0.840-M…

A: For any neutralization reaction, Number of mols of H+ ions = Number of mols of OH- ions that means…

Q: For the chemical reaction 2 HBr(aq) + Ba(OH), (aq) - 2 H,O(1) + BaBr, (aq) write the net ionic…

A: Net ionic equation is the equation that shows the only species which is going to participate in the…

Q: Question 3. 6.8 mL of 2.5 M CH3COOH (acetic acid, commonly known as vinegar) was added to make a 3L…

A: we need to determine the acetate ion concentration in mg/L, ppb, and M. Given that 6.8 mL of 2.5 M…

Q: It was determined that [H+] was 0.0661 M in an initially 0.46 M solution of H A. What is the new [H…

A: This problem is actually based on significant figures and little concept of ionic equilibrium.Here,…

Q: 200 ml of 2.4 M KOH solution was diluted to 600 ml. What is the Molarity of the KOh solution after…

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Q: Question 1 of 10 Subm How many moles of Na,SO. are in a 0.140 m aqueous solution that was prepared…

A: Given: The mass of water, (w) = 2.30 Kg. The molality of the solution, (m) = 0.140 m.

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: In the following reaction, 2HCI(aq) + CaCO3(s) CO2g) + H20(1) + CaCl2(aq) What is the molarity of…

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

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Q: 50 g of NaCl has been dissolved in water to come up with a 120 mL of solution. The saline solution…

A: Molarity is defined as the number of moles of solute present in 1L of the solution   Molarity =…

Q: Pre-lab question #3-2: Consider the following equilibrium for nitrous acid, HNO2, a weak acid: HNO2…

A: When there is a balance between direct and reverse reaction, chemical equilibrium is achieved. The…

Q: 10. The Henry's Law constant for CO2 in water is 3.4 x 102 mol/L-atm. The partial pressure of CO2 in…

A: 10) Given, Henry's law constant for CO2 in water (KH) = 3.4 × 10-2 mol/L-atm The partial pressure of…

Q: What is the average weight percent of acetic acid in the vinegar sample?   Data  Trial 1 Initial…

A: To Calculate the average weight percent of acetic acid in the vinegar sample

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…

Q: p, Find the acid concentration.

A: