2.50mL of 0.25M HNO2 is mixed with 7.25mL of 0.20M NaNO2 and 2.25mL of 0.10M NaOH.  Calculate the pH of the final mixture.  [The Ka of HNO2 is 4.6 x 10-4.]

Q: Calculate the pH of the above buffer after 10.00 mL of 1.000 M NaOH (0.01000 mol OH-1) was added to…

A: Here we are required to find the pH of the buffer solution after addition of 10 ml of 1M NaOH.

Q: Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 M NH4Cl with 100.0 mL of 0.20 M…

A: Given information:Volume of NH4Cl solution (V1) =250.0 mLVolume of NH3 solution (V2) =100.0…

Q: 75.0 ml of 0.0200M Ca(OH)2 solution is combined with 100.0 ml of 0.0150M NaOH solution.  Calculate…

A:

Q: 6. A solution is prepared by mixing 25.0 mL of 0.300 M KOH with 100 mL of 0.150 M benzoic acid,…

A: Here we are required to find the pH of the solution.

Q: Calculate the pH of the solution resulting by mixing 20.0 mL of 0.15 M HCl with 20.0 mL of 0.10 M…

A: Given,Molarity of HCl solution =0.15 Mvolume of HCl solution =20.0 mLMolarity of KOH solution =0.10…

Q: An analytical chemist is titrating 52.7 mL of a 0.3500M solution of methylamine (CH, NH,) with a…

A:

Q: Calculate the pH when 60.0 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH3NH2 (Kb = 4.4 x 10…

A:

Q: To a buffer containing 0.150 mol NH3 and 0.250 mol NH.* 0.050 mol of HCl (aq) is added. Calculate…

A: In this question, we will determine the pH of the Basic Buffer Solution.  The pH of a buffer…

Q: 1- Calculate the pH of 2 solution prepared by adding 25 ml of 0.1IM of NAOH solu. to 30 ml of 0.2M…

A: 1.  Millimoles of NaOH = M x V = 0.10 x 25 = 2.5 mmol Millimoles of Acetic acid = M x V = 0.20 x 30…

Q: Calculate the pH of a mixture containing 0.266 mol HBz and 0.124 mol NaBz dissolved to 500.0 mL with…

A: Answer:- This question is answered by using the simple concept of calculation of pH of the solution…

Q: A chemist titrates  160.0mL  of a  0.3384M  hydrobromic acid  HBr  solution with  0.6847M…

A:

Q: Calculate the pH of a buffer solution made by mixing 300 mL of 0.3 M acetic acid, CH;COOH, and…

A: Given, a buffer solution is made by mixing 300 mL of 0.3 M acetic acidand 200 mL of 0.2 M of its…

Q: 2. Assuming equal concentrations of conjugate base and acid, which one of the following mixtures is…

A:

Q: A buffer solution is prepared by dissolving 1.50g each of benzoic acid (MM=122.1, Ka=6.3 x 10^-5),…

A: Given,  Mass of benzoic acid (HC7H5O2) = 1.50g Molar mass of benzoic acid =122.1g/mol Mass of sodium…

Q: A buffer is made by mixing 5.0 mL of 3.0 MNH,(aq) with 10 mL of 1.44 MNH,Cl(aq). What is the pH of…

A:

Q: Calculate the pH when 38.0 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH₃NH₂ (Kb = 4.4 ×…

A:

Q: Calculate the pH when 126.5 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH₃NH₂ (Kb = 4.4 ×…

A: Given data,Molarity of HBr=0.200MVolume of HBr=126.5mL=0.1265LMolarity of CH3NH2=0.400MVolume of…

Q: 25ml) of a (0.08M) of HCI is diluted to exactly (100ml) with water and titrated with NAOH 0.IM.…

A: The reaction of an acid with a base is called a neutralization reaction. The concentration of…

Q: Calculate the pH of a solutuon made by mixinf 50.00 mL of 0.100 M NaCN with    (a) 4.20 mL of…

A:

Q: What is the pH of a solution prepared by mixing 500 mL of 1.5 M HF with 400mL of 1.00 M NaF? The Ka…

A:

Q: In the titration of 70.0 mL of a 0.300 M HF with 0.300 M KÖH, calculate the pH: (a) after 35.0 mL of…

A: we need to calculate the pH for the titration of KOH with HF

Q: An analytical chemist is titrating 57.8 mL of a 0.6200M solution of methylamine (CH,NH,) with a…

A:

Q: Sodium hydroxide reacts with acetic acid to produce sodium acetate and water. It takes 25.0 ml of…

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Q: Calculate the pH of a buffer solution prepared by mixing 50mL of 0.600 M hydrocyanic acid, HCN and…

A:

Q: Calculate the pH when 10.0 mL of 0.150 M KOH is mixed with 20.0 mL of 0.300 M HBrO * (Ka = 2.5 * 10…

A:

Q: Calculate the pH when 45.0 mL of 0.200 M HBr is mixed with 50.0 mL of 0.400 M CH₃NH₂ (Kb = 4.4 ×…

A: Buffer are solution which resist change in PH when acid Or base are added to it  Here we are…

Q: [4} What is the pH of the solution in the flask after 25.00 mL of 0.110 M NAOH has been added to…

A:

Q: A 1.0m HCl solution has a volume of 20.0mL. Calculate pH of the solution that results from 3.00g of…

A: Given: Molarity of HCl solution= 1.0 M Volume of HCl= 20.0 mL= 0.020 L Mass of solid acetate= 3.00 g…

Q: There are 50.00 mL of a hydrazine solution (H2NNH2, Kb = 1.3 x 10-6) 0.1000 mol L-1. Calculate the…

A: Given: Volume of hydrazine solution = 50.00 mL Concentration of hydrazine solution = 0.1000 mol L-1…

Q: Given that Ka’s for hydrofluoric acid (HF) and boric acid (H3BO3) are 6.3 × 10^–4and 5.4 × 10^–10,…

A: a) Given: Volume of HF=50 mL Concentration of HF= 0.2 M Concentration of NaH2BO3= 0.5 M Volume of…

Q: Calculate the pH when 26.0 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH3NH2 (Kb = 4.4 ×…

A:

Q: A buffered solution contains 0.50 M acetic acid (HC₂ H₂O₂. Ka 1.8 x 105) and 0.50 M sodium acetate…

A: We have to predict the new pH value after adding the base to buffer solution.

Q: What volume in mL of 0.2572 M NaOH must be added to 500.0 mL of 0.1000 M chlorous acid (HClO2, Ka =…

A: Given: pH = 2.25 Concentration of HClO2 = 0.100 M Volume of HClO2 = 500.00 mL Concentration of NaOH…

Q: Calculate the pH of the solution that results from each mixture.a. 50.0 mL of 0.15 M HCHO2 with 75.0…

A: Henderson Hasselbalch equationpH=pKa+log10[A-][HA] where,pH=negative logarithm of H+ ionspKa= -log…

Q: Calculate the pH when 60.0 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH₃NH₂ (Kb = 4.4 ×…

A: HBr is a strong acid and CH3 NH2 is a weak base . Theyreact according to the following reaction -CH3…

Q: Calculate the pH when 45.0 mL of 0.200 M HBr is mixed with 29.0 mL of 0.400 M CH₃NH₂ (Kb = 4.4 ×…

A: Given : Volume of HBr solution = 45.0 mL = 0.045 L    Concentration of HBr = 0.200 M And volume of…

Q: 4) Calculate how much 1.00 M CH3COONA solution, in mL, you would need to add to 10.00 mL of a 1.00 M…

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

Q: Calculate the pH when 45.0 mL of 0.200 M HBr is mixed with 47.0 mL of 0.400 M CH₃NH₂ (Kb = 4.4 ×…

A: Given : Concentration of HBr = 0.200 M Volume of HBr solution = 45.0 mL = 0.045 L…

Q: A solution is made by mixing 150mL of 0.12 M HCN, 100 mL of 0.56 M NaOH and 75 mL of 0.78 M HCl.…

A: HCl dissociates into H+ and Cl-. Thus: [HCl] = [H+] Thus [H+] obtained from HCl =0.78 M Calculation…

Q: Consider a solution formed by mixing 50.0 mL of 0.100 M H2SO4, 30.0 mL of 0.100 M HOCl, 25.0 mL of…

A: First step is to find out total volume  Total volume = 50 mL + 30 mL + 25 mL + 25 mL + 10 mL = 150…

Q: Use the Henderson–Hasselbalch equation to calculate the pH of each solution.a. a solution that is…

A: The Henderson- Hasselbalch equation to calculate pH is as follows; pH=pKa+log[base][acid] a)…

Q: I mix 100 mL of 0.100 M HCl in 250 mL of 0.150 M NH3.   I add 50.0 mL of 0.0500 M NaOH.   What…

A:

Q: Calculate the pH when 15.0 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH₃NH₂ (Kb = 4.4 ×…

A: Given, 15.0 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH₃NH₂

Q: Calculate the pH when 90.0 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH₃NH₂ (Kb = 4.4 ×…

A: The negative logarithmic concentration of hydrogen ions in solution is called pH. It is an indicator…

Q: 2. In a titration of 50.00 mL of 0.05000 M formic acid, HCOOH with 0.1000 M potassium hydroxide,…

A:

Q: Calculate the pH when 26.0 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH3NH2 (Kb = 4.4 ×…

A:

Q: Calculate the pH of a solution formed by mixing 250.0 mL of 0.900 M NH4Cl with 250.0 mL of 1.60 M…

A: According to Henderson Hasselbalch equation  pOH = pKb + log [salt] /[base] And again  pKb = - log…

Q: Calculate the pOH of a solution that results from mixing 32.09 mL of 0.18 M HCN(aq) with 33.8 mL of…

A:

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.