If 250.0 mL of 9.84 x 10-4  M HNO3 is mixed with 150.0 mL of 1.18 x 10-5 M HBr, what is the resulting pH?

Q: When 0.412 g of a weak base with Kb = 3.10 ×10-5 the base is dissolved in 1.00 L of solution, it has…

A: Assuming the molar mass is M  Hence moles of base = mass / molar mass = 0.412 / M And concentration…

Q: A buffer solution is 0.409 M in H2SO3 and 0.311 M in KHSO3. If Kal for H2SO3 is 1.7 x 10-2, what is…

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Q: ) If 5.0 mL of 0.100 M NaOH is added to 100.0 mL of a 0.0500M phosphate buffer solution at pH 7.2,…

A: A solution which resists the change in pH when a small amount of acid or base is added to it,  is…

Q: A27.7 mL sample of 0.236 M methylamine, CH;NH, is titrated with 0.337 M hydroiodic acid. After…

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Q: Two acids are mixed in solution: 0.20 M of HBr and 1.50 M of HBRO (Ka = 2.3 x 10-9). What is the…

A: HBr is a strong acid while HBrO is weak acid and therefore, the resulting pH will be due to HBr,…

Q: Calculate the pH when 32.0 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH,NH, (Kb = 4.4 ×…

A: Given: Concentration of HBr = 0.200 M Volume of HBr solution = 32.0 mL = 0.032 L…

Q: If a buffer solution is 0.170 M in a weak base (Kb = 4.2 × 10-5) and 0.490 M in its conjugate acid,…

A: Buffer solution: It is an aqueous solution which contains a mixture of a weak base and its conjugate…

Q: Calculate the pH of the resulting solution when 20.0 mL of 0.150 M formic acid (Ка%3D 1.80 х 104) is…

A: Note : As per guideline if multipart questuion only 3 subparts allowed , please post it seperately ,…

Q: Calculate the pH when 113.5 mL of 0.200 M HBr is mixed with 30.0 m

A: Given: the pH when 113.5 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH₃NH₂ (Kb = 4.4 ×…

Q: Using a relevant ICE Table, calculate the expected pH of the solution when 5.99 mL of 0.200 M HCl…

A: Calculate the expected pH of the solution when 5.99 mL of 0.200 M HCl solution is added to the 50.0…

Q: A solution is prepared that is initially 0.0010 M NaOH and 0.10 M NH3. What is the pH of this…

A: [NaOH] =0.001 M [NH3] = 0.10M

Q: A buffer, consisting of H2PO4- and HPO42-, helps control the pH of physiological fluids. Many…

A: The mass of NaH2PO4 is 6.5 g. The mass of Na2HPO4 is 8.0g. The Volume of the solution is 355 mL. We…

Q: A 36.0 ml. sample of a 0.446 M aqueous hypochlorous acid solution is titrated with a 0.205 M aqueous…

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Q: Calculate the pH when 50.0 mL of 0.180 M NH3 is mixed with 5.00 mL of 0.360 M HBr. (The Kb of…

A: Volume of NH3 = 50.0mL = 50.0*10-3L Molarity of NH3 = 0.180 M Volume of HBr = 5.00mL = 5.00*10-3L…

Q: A 1.5 L sample of a 0.44 M HBr solution is mixed with 2.2 L of a 0.080 M HClO4 solution. What is the…

A: HBr and HClO4 are strong acids. They dissociate fully into their ions when put in water. The reasons…

Q: How many mL of a 5.0-M solution of sodium borate must be added to a 200-mL solution of 50 mM boric…

A: Pka of boric acid = 9.14    Cl+ consider x ml  5.0 M sodium borate is  required.   PH  = Pka +…

Q: If 31.4 mL of a 0.75 M NaOH solution is added to a 47.1 mL sample of a 0.75 M weak acid, HA, what is…

A: Molarity of NaOH, M=0.75 M Volume of NaOH, V=31.4 mL Millimoles of NaOH=M x V (in mL)= 0.75 x 31.4…

Q: A 46.9 mL sample of a 0.500 M aqueous hypochlorous acid solution is titrated with a 0.465 M aqueous…

A: The chemical formula for hypochlorous acid is HClO. The chemical formula for barium hydroxide is…

Q: If 34.6 mL of a 0.68 M NaOH solution is added to a 51.9 mL sample of a 0.68 M weak acid, HA , what…

A: 34.6 mL of a 0.68 M NaOH solution is added to 51.9 mL sample of a 0.68 M weak acid, HA (ka = 1.8 x…

Q: Calculate the pH when 138.5 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH₃NH₂ (Kb = 4.4 ×…

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Q: Calculate the pH of the following solution when the 2 reagents are mixed: 25.00mL of 0.550M KOH…

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Q: Calculate pH of the solution formed when: b) 25.0 mL of 0.450 M H,SO, is mixed with 25.0 mL of 0.900…

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Q: A solution is created by adding 0.144 grams of sodium hydroxide and 0.0217 grams of hydrochloric…

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Q: A solution which is formed by combining 300 mL of 0.020 M NaOH with 700 mL of 0.010 M HCl has a pH…

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Q: what is the pH?

A: Given :-  Concentration of weak base = 0.120 M  Concentration of conjugate acid = 0.590 M  Kb = 5.9…

Q: Sodium benzoate, the sodium salt of benzoic acid, is used as a food preservative. A sample…

A: moles of HCl added = molarity x volume in mL                                 = 0.5 M x 50 ml = 25…

Q: Consider 20.00 mL of a 0.40M hypothetical weak acid solution, HA. The K, = 3.3 X 106 for this weak…

A: Given: Volume of weak acid, HA = 20.00 mL Molarity of HA = 0.40 M Volume of NaOH = 20.00 mL Molarity…

Q: If a buffer solution is 0.230 M0.230 M in a weak base (?b=7.4×10−5)Kb=7.4×10−5) and 0.540 M0.540 M…

A: we have to calculate the pH of the given buffer solution

Q: When 32.3 mL of 0.100 M Ba(OH)2 is mixed with 197.2 mL of 0.200 M HCl, the reaction goes to…

A: The reaction result in the formation of Barium chloride. The pH of a solution is the negative…

Q: A 5.5 L sample of a 0.25 M HNO3solution is mixed with 1.2 L of a 0.34 M HCl solution. What is the pH…

A: Since HNO3 and HCl both are strong acids  hence they will dissociate completely producing H+ ions in…

Q: A 1.00-L solution is made from 0.130 moles of C6H5NH2 (Kb = 3.9 × 10–10) and 0.170 moles of…

A: Given data,Moles of C6H5NH2=0.130molesMoles of C6H5NH3Cl=0.170molesVolume=1.00LKb=3.9×10-10

Q: When a 21.2 mL sample of a 0.413 M aqueous acetic acid solution is titrated with a 0.496 M aqueous…

A: 1.) To calculate pH , first we would Calculate moles of both acetic acid and potassium hydroxide.…

Q: When a 22.2 mL sample of a 0.429 M aqueous nitrous acid solution is titrated with a 0.334 M aqueous…

A: Nitrous acid (HNO2) is a weak acid while barium hydroxide, Ba(OH)2 is a strong base. The titration…

Q: If 26.5 mL of 4.7 ✕ 10-4 M HI is added to 35.0 mL of 4.4 ✕ 10-4 M KOH, what is the pH of the…

A: Given :  Volume of HI (V1) = 26.5 mL Molarity of HI (M1) = 4.7 × 10-4 M Volume of KOH (V2) = 35.0 mL…

Q: alculate the pH of the resulting solution when 350.0 mL of .400 M HCl is mixed with 35.0 NaOH.

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Q: What is the pH of a solution that is prepared by adding 30.23 mL of 1.77 M NaOH to 0.646 L of 0.476…

A: THIS WILL FORM AN ACIDIC BUFFER AS THE AMOUNT OF WEAK ACID(HN02)WILL REMAIN IN EXCESS AFTER REACTION…

Q: If 10 mL of 0.1 M hypothetical acid, HA, is added with 10 mL of 0.1 M of the salt of its conjugate…

A: Answer: The mixture of acid HA and its conjugate base XA will be a buffer solution.

Q: 0.125 L of a 0.107 M solution of Sr(OH)2 was mixed with 0.450 L of 0.085 M acetic acid. What is the…

A:

Q: What will be the pH of the solution when 12.0 mL of 0.400 M KOH is added to a 25 mL of 0.200 M HOCI…

A: Given-> Volume of KOH = 12.0 ml Molarity of KOH = 0.400 M Volume of HOCl = 25 ml Molarity of HOCl…

Q: How many milliliters of 0.2500M Ba(OH)2 must be added to 75.00ml of 0.3000N NaOH in order that the…

A: When a base with normality N1 and volume V1 is mixed with another base of normality N2 and volume V2…

Q: A buffer solution contains 0.254 M NaHSO3 and 0.348 M Na2SO3. If 0.0285 moles of hydroiodic acid are…

A: Calculate the initial pH of the given buffer solution using Henderson-Hasselbalch equation,

Q: 4. Explain how you determine the pH when 15 ml of 0.100 M HCI is added to 25 ml of 0.080 M NH3 (Kb =…

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Q: A solution was prepared by mixing 50.0 mL of 0.10 M HCl and 25.0 mL of 0.25 M NaOH. What is the pH…

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Q: 10. Nitrous acid (HNO2) is a weak acid with a Ka = 4.0 x 104. If 112 mL of a 0.100 M KOH solution…

A: Answer: In this question we have to find out the pH of a buffer solution made of nitrous acid and…

Q: A CHM 122 student combines 42.2 mL of 0.413 MHBR with 32.7 mL of 0.384 M KOH. What is the pH of the…

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Q: Write the balanced NET IONIC equation for the reaction that occurs when nitric acid and sodium…

A: The chemical equations should be balanced in accordance with the law of conservation of mass. This…

Q: A student added 1.78g of Ca(OH)2(9) to 0.250 L of 0.200 molL-1 HNO3(aq)- The mixture was carefully…

A: Reaction: Ca(OH)2 (aq)-----> Ca2+(aq) + 2OH- (aq) HNO3 ------> H+ + NO3 -..........*2…

Q: calculate the pH of the solution created by mixing 400 ml of 0.2 N H2SO4 solution with 600 ml of 0.3…

A: Given, Volume of H2SO4 = 400 ml = 0.4 L Volume of Ca(OH)2 = 600 ml = 0.6 L Normality of H2SO4 = 0.2…

Q: 125 mL of 0.3 M HC1 was mixed with 320 mL of 0.15 M NaF. What is the pH of the solution after…

A: Given data : Concentration of HCl = 0.3 M Volume of HCl = 125 mL Concentration of NaF = 0.15 M…

Q: When a 20.9 mL sample of a 0.387 M aqueous hydrofluoric acid solution is titrated with a 0.372 M…

A: Given,  Volume of HF in mL = 20.9 mL  Molarity of HF = 0.387 M  Molarity of Ba(OH)2 = 0.372 M  What…

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.