Would the concentration of OH- in the solutions for Runs 2-4 be different if deionized water was used to prepare them instead of aqueous NaCl solution?  The OH concentrations were 0.300M, 0.200M, 0.100M, and 0.050M for the runs.

Q: What are the molar concentrations of acetic acid (CH,COOH) and sodium acetate (CH,COONA) in an…

A: The pH of a buffer is defined by the Henderson Hasselbalch equation: pH = pKa + log [salt] /[acid]…

Q: 1. Dilution of NaOH Solution: Molarity of NAOH stock solution ..1000M wwwwwwww wwww www Volume of…

A: 1. Dilution of NaOH solutions : M1 = initial concentration of NaOH = 1000M V1 = initial volume =…

Q: Determine the pH of a 0.62 M NH4NO3 solution at 25°C. The Kp for NH3 is 1.8 x 10-5. Express your…

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Q: Chemistry please help me Callculate te ptt of the following: 7. A solution prepared by adding 20.0…

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Q: Gravimetric assay of Ba-ions involves step of precipitation by: H2SO4 NaOH AGNO3 HCL

A: The Given barium chloride solution is made up to a definite volume. A measured volume of it is then…

Q: Calculate the ph of a solution made by adding 0.40g of NaOH to 100 cm^3 of 0.4 mol/dm^3 ethanoic…

A: given, the weight of NaOH = 0.40g volume of ethanoic acid = 100 cm3 = 0.1 dm3 concentration of…

Q: Why is H3O=[OH- ]=1.0 x 10-2 M not feasible in water? What would happen if we tried to make such a…

A: Since the water has an equilibrium with H3O+ and OH- ions as per the reaction  2 H2O (l)…

Q: 2) Use an "ICE" (or “IAE" table to determine the concentrations of HPro, H3O*, and Prol- in an…

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Q: Prepare 500 mL 0.1 M acetate buffer, pH = 4.3, from 0.1 M stock solutions of acetic acid and its…

A: pH of a buffer is calculated by the following equation.  pH=pKa + log [base][acid]

Q: Prepare 500 mL of 0.1 M bicarbonate buffer solution, pH = 6, from 0.1 M stock solutions of carbonic…

A:

Q: Post-lab Question #5-4: Ka for hypochlorous acid, HCIO, is 3.0 x 10-8. Calculate the pH after 40.0…

A: Given, 40 ml of 0.1 (M) NaOH and 40 ml of 0.1 (M) HClO. the amount of acid = the amount of base. Ka…

Q: Solve the pH of 0.1 M solution of nitric acid at 25C temp.  Ka = 4.5x10-4

A: We can calculate pH by calculating [H+]

Q: 6-10. BaCl2 H2O(s) loses water when it is heated in an oven: BaCl2 • H20(s) = = BaCl2(s) + H20(g)…

A: Given :         BaCl2.H2O(s) ⇌ BaCl2(s)+H2O              ∆H°=63.11 kJ/mol               at 25°C…

Q: Find the pH of a solution produced by the reaction of 250 mL 0.1 M NaOH and 150 mL 0.03 M acetic…

A: Gvien, 250 mL 0.1 M NaOH and 150 mL 0.03 M acetic CH3COOH

Q: Complete neutralization of 10 mL of hydrochloric acid solution by NaOH 0.1 N in the presence of…

A: TITRATION IS A METHOD USED TO DETERMINE THE CONCENTRATION OF UNKNOWN SOLUTIONS WITH THE HELP OF…

Q: 9-3. Neglecting activity coefficients, calculate the pH of 5.0 x 10-8 M HCIO4. What fraction of H+…

A:

Q: You mix 50.0 mL of 0.250 M CH3COOH with 1.00 mL of 0.500 M NaOH. Calculate the pH of the mixture.…

A: A particular solution's characteristics get estimated by analyzing its pH. The solution exhibiting…

Q: 2. In the pH metric titration of strong and weak acid mixture against strong alkali, generally first…

A: We are given a mixture of strong acid(H+) and weak acid(HA).  We titrate the above mixture with a…

Q: An unknown hydroxide of the formula X(OH)2 is only slightly soluble in water. She then takes 25.00…

A: Answer = 5.5x10-16

Q: The measured pH of 0.100 M HCl at 25 degrees C is 1.092. From this information, calculate the…

A: pH of 0.100 M HCl = 1.092                          pH = - log aH+         Activity of H+ = 10-1.092…

Q: Calculate the ionic strength of 0.0087 M NaOH0.0087 M NaOH. ?=μ=   MM

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Calculate the volume, in milliliters, of 0.170 M NaOH that must be added to 305 mL 0.0409 M…

A:

Q: if the KSP of AgCl is 1.8 x 10^-10, how many grams of AgCl can be dissolved in 500mL of H20

A: Given :  Ksp of AgCl = 1.8 * 10-10 Find how many grams of AgCl can be dissolved in 500mL of H2O.…

Q: What is the resulting pH of mixing 50.0 ml 0.0500 M NH4Cl (aq) with 10.0 ml 0.0500 M HNO3(aq)? If…

A: Given :  Molar concentration of NH4Cl = 0.0500 M  Volume of NH4Cl solution = 50.0 ml  Molar…

Q: What is the function of the vacuum aspirator? Predict the color shift of the indicator as a…

A: Aspirator is a tool which uses suction to remove or collect something specially in medicine for…

Q: 30. The sulfite ion, SO32¯, is a weak base with K, = 1.00 × 10-7. What are the approximate…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: 9-3. Neglecting activity coefficients, calculate the pH of 5.0 × 10 8 M HCIO4. What fraction of H is…

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Q: Find the pH of a solution produced by the reaction of 250 mL 0.1 M NaOH and 150 mL 0.03 M acetic…

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Q: Determine the pH at the point in the titration of 40.0 mL of 0.200 M HC4H,O2 with 0.100 M Sr(OH),…

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Q: 10.) Calculate the activity coefficient of K* in 0.050 M KNO3.

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Q: 1- What are the differences between the direct and back titration

A: The question is based on the concept of titrations. A titration is a volumetric analysis of knowing…

Q: A solution made by mixing 105.00 mL of 1.050 M CH3COOH with 35.00 mL of 0.750 M NaOH. For…

A: A buffer resists a considerable change in pH when a small amount of acid or base is added to it. The…

Q: Solve this?

A: pH = 9.2 pH + pOH = 14 pOH = 14-9.2 = 4.8

Q: Calculate the pH of an acetic acid solution (initial concentration 0.01 M, Ka = 1.8 x 10-5) and the…

A: i) CH3COOH dissociates as follows:                  CH3COOH⇋CH3COO-+H+Initial               0.01…

Q: 2-SILVER NITRATE IS A SECONDARY, NOT PRIMARY, STANDARD SOLUTION, WHY IN MOHR'S MATHOD? 1:51 PM

A: Given: Silver nitrate solution in mohr's method To find: Why it is used as a secondary standard…

Q: Question 6- In the case of phosphoric acid separation, the mass equilibrium ratio of the primary…

A: Dissociation of H3PO4: H3PO4 + 3 H2O ⇄ PO43- + 3 H3O+ Mass balance equation: The quantity of all the…

Q: What is the pH of 0.37 M acetic acid to 1.00 L of which 1.43 g of sodium acetate, NaCH3CO2, has been…

A: pKa of Acetic acid can be determined as : Molarity of CH3COONa can be calculated as follows:

Q: Determine [H30*] of a 0.250 M solution of formic acid (Ka 1.8 x 10-4).

A:

Q: 7-7. How many milliliters of 0.100 M KI are needed to react with 40.0 mL of 0.040 0 M Hg, (NO,), if…

A: Given the molarity of KI solution = 0.100 M or 0.100 mol/L Molarity of Hg2(NO3)2(aq) solution, C =…

Q: 3. A weak acid was titrated using 0.20 M KOH. The pH at several volumes added was recorded and…

A: Given: Mass of acid (assuming it monoprotic like HA) = 175 mg = 0.175 g. Concentration of KOH = 0.20…

Q: What is [H3O+] in a solution of 0.075 M HNO2 and 0.030 M NaNO2? Kb=4.5 * 10-5

A: Given, 0.075 M HNO2  0.030 M NaNO2

Q: for a weak HA acid with concentration 0.04 M and Ka = 4 × 10-⁹, find: a) the degree of dissociation…

A: Given [HA] = 0.04 M Ka = 4 × 10-9 pka = - log (Ka)          = - log( 4 × 10-9)          =  8.40…

Q: Ex. 13-5. A 50.00-mL of an HCl solution required 29.71 mL of 0.01963 M Ba(OH)2 to reach an end point…

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Q: What is the selenide ion concentration [Se2-] for a 0.100 M H2Se solution that has the stepwise…

A: The concentration of H2Se is 0.100 M. The dissociation constants, Ka1 and Ka2, of H2Se are 1.3×10-4…

Q: ACID-BASE EQUILIBRIA Doc Jill wants to determine the A of a weak acid she isolated called…

A: Answer: When a weak acid will be added in water, its partial ionization will take place, due to that…

Q: What is the value of Q when the solution contains 2.00 x 10¬³M Ca2+ and 3.00 x 10-² M SO4²-?

A: To find Q?

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.