An analytical chemist is titrating  129.9mL  of a  0.5200M  solution of hydrazoic acid  HN3  with a  0.2100M  solution of  NaOH . The  pKa  of hydrazoic acid is  4.72 . Calculate the pH of the acid solution after the chemist has added  241.9mL  of the  NaOH  solution to it.   Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of  NaOH  solution added.

Q: A 1.00 L Tris buffer solution is made by mixing 121.14 g of Tris base (MW = 121.14 g/mol), 84 mL of…

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

Q: A1 liter solution is made by adding 0.8603 moles NaH2PO4 and 0.4973 moles Na2HPO4. What will be the…

A: Given, NaH2PO4 = 0.8603 mol Na2HPO4 = 0.4973 mol [HCl] = 6.0287 M VHCl = 1.5857 mL = 0.0015857 L

Q: An analytical chemist is titrating 189.5 mL of a 0.6500M solution of ammonia (NH,) with a 0.8000M…

A:

Q: An analytical chemist is titrating 83.1 mL of a 0.2800M solution of piperidine (C5H₁0NH) with a…

A: pH= -log [H+]

Q: An analytical chemist is titrating  120.0mL  of a  0.9100M  solution of formic acid  H2CO2  with…

A:

Q: A buffered solution is prepared containing acetic acid, HC2H3O2, and sodium acetate, NaC2H3O2, both…

A: Buffer is a solution that resists the change in pH when small amount of acid or base is added to it.

Q: An analytical chemist is titrating 168.4 ml. of a 0.7600M solution of aniline (C,H,NH,) with a…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: An analytical chemist is titrating 127.4 mL of a 0.1500M solution of methylamine (CH3NH₂) with a…

A:

Q: An analytical chemist is titrating  189.6mL  of a  0.6500M  solution of butanoic acid  HC3H7CO2…

A: Calculate the number of moles of butanoic acid and KOH. Number of moles = Concentration (M) × Volume…

Q: The simplest amino acid is glycine ( molar mass = 75.1 g/mol), whose structure is shown above. An…

A: molarity = ωGmω × 1000V(mL)Given weight of glycine = 0.329 g                                V = 150…

Q: 50 ml of an ammonia solution with a specific weight of 1.42 and a purity of 52.2% mixed with another…

A: For the 1st ammonia solution total volume 50 ml, specific weight = 1.42; purity of the solution is…

Q: An analytical chemist is titrating 198.9 mL of a 0.2300 M solution of diethylamine ((C,H5)¸NH) with…

A:

Q: 50 ml of an ammonia solution with a specific weight of 1.42 and a purity of 52.2% mixed with another…

A: pH is negative logarithm of Hydrogen ion concentration

Q: An analytical chemist is titrating 107.8 ml. of a 0.1900M solution of dimethylamine ((CH,) NH) with…

A:

Q: An analytical chemist is titrating 201.0 mL of a 0.5700 M solution of piperidine (C,HNH) with a…

A: The question is based on the concept of titrations.   we are titrating  a  strong acid with a weak…

Q: An analytical chemist is titrating 177.8 mL of a 0.8600 M solution of ethylamine (C,H,NH,) with a…

A: We have,   Let's calculate the number of moles of both, the acid and the base:

Q: An analytical chemist is titrating 90.6 mL of a 0.2800 M solution of diethylamine ((C₂H₂)₂NH) with a…

A:

Q: chemical reaction between HCl and NaOH is performed through titration. Calculate the pH of the…

A:

Q: An analytical chemist is titrating 243.9 mL of a 0.3300M solution of ammonia (NH,) with a 0.8900M…

A: The above-given problem can be solved using the Henderson-Hesselbalch equation. Given,pKb of ammonia…

Q: Vitamin C is ascorbic acid (HC6H7O6) for which the equilibrium constant is Ka = 8.0 · 10. Calculate…

A: Given:  The Ka of HC6H7O6 = 8.0×10-5 We have to calculate the pH of a solution made by dissolving a…

Q: An analytical chemist is titrating 211.2 mL of a 0.5700M solution of aniline (CH₂NH₂) with a 0.7200M…

A:

Q: An analytical chemist is titrating 59.1 mL of a 0.6700 M solution of ammonia (NH,) with a 0.4500 M…

A: Given : Concentration of NH3 = 0.6700 M Volume of NH3 solution = 59.1 mL = 0.0591 L…

Q: An analytical chemist is titrating  104.6mL  of a  0.8600M  solution of butanoic acid  HC3H7CO2…

A:

Q: A patient is suspected of having low stomach acid, a condition known as hypochloridia. To determine…

A: The main constituent of Gastric juice is hydrochloric acid (stomach acid).Given,Volume of HCl (V1) =…

Q: An analytical chemist is titrating 160.3mL of a 0.8600M solution of benzoic acid HC6H5CO2 with a…

A:

Q: An analytical chemist is titrating 165.1 mL of a 0.8800M solution of diethylamine (C,Hs) NH) with a…

A:

Q: An analytical chemist is titrating 156.4 mL of a 0.2700 M solution of butanoic acid (HC3H7CO2) with…

A:

Q: An analytical chemist is titrating 64.7 mL of a 0.8500M solution of acetic acid (HCH₂CO₂) with a…

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

Q: An analytical chemist is ttrating 179,5 ml. of a 0.5300 M solution of formic acid (H,Co.) with a…

A: Given,  Concentration of HCOOH = 0.5300 M  Volume of HCOOH = 179.5 mL  Molarity of HCOOH = 1.100 M…

Q: An analytical chemist is titrating 151.8 mL of a 0.1600M solution of piperidine (C,HNH) with a…

A: Answer:  2.00

Q: 1. Write the complete chemical equation for the reaction of a solution of sodium hydroxide and…

A:

Q: An analytical chemist is titrating 94.4 mL of a 0.5900M solution of ammonia (NH, with a 0.1400M…

A: Buffer solution: A buffer solutions is an aqueous solution consisting of a mixture of a weak base…

Q: An analytical chemist is titrating 92.3 mL of a 0.6600M solution of ethylamine (C₂H5NH₂) with a…

A:

Q: An analytical chemist is titrating 77.9 mL of a 1.000M solution of hydrazoic acid (HN3) with a…

A: Given-> Volume of HN3 = 77.9 ml Molarity of HN3 = 1.000 M Volume of NaOH = 34.3 ml Molarity of…

Q: An analytical chemist is titrating 118.1 mL of a 0.1200M solution of piperidine (C,H10NH) with a…

A: Pyridine is a weak base, so when strong acid like nitric acid reacts with pyridine they form buffer…

Q: An analytical chemist is titrating 117.9 mL of a 0.4500M solution of dimethylamine ((CH3) NH) with a…

A:

Q: 116.2mL  of a  0.5100M  solution of butanoic acid  HC3H7CO2  with a  0.5000M  solution of  NaOH…

A: The question is based on the concept of equilibrium. we have to calculate pH of the solution at the…

Q: An analytical chemist is titrating 126.8 mL of a 0.2600M solution of diethylamine ((C₂H₂)₂NH) with a…

A: Given : Concentration of diethylamine = 0.2600 M  Volume of diethylamine = 126.8 ml  Concentration…

Q: An analytical chemist is titrating 225.7 mL of a 1.100M solution of cyanic acid (HCNO) with a 1.100M…

A: Since you have posted multiple questions we will solve the only first question for you according to…

Q: جموعة ٥ : 50 ml of an ammonia solution with a specific weight of 1.42 and a purity of 52.2% mixed…

A: For the 1st ammonia solution total volume 50 ml, specific weight = 1.42; purity of the solution is…

Q: An analytical chemist is titrating 220.1 mL of a 0.6700 M solution of benzoic acid (HC H₂CO₂) with a…

A: pH of the resulting solution can be calculated by considering the total moles of remaining benzoic…

Q: An analytical chemist is titrating 168.4 mL of a 0.2500 M solution of ammonia (NH,) with a 0.7000 M…

A: Ammonia is a weak base and HNO3 is a strong acid. pH of the resulting solution at the equivalence…

Q: An analytical chemist is titrating 221.9 mL of a 0.8100M solution of diethylamine ((C,H3),NH) with a…

A: Given that, 221.9 mL of a 0.8100 M solution of diethylamine [(C2H5)2NH] is titrating with a 0.7200 M…

Q: An analytical chemist is titrating 71.3 ml of a 1.000M solution of formic acid (H,CO,) with a…

A:

Q: An analytical chemist is titrating 157.6 mL of a 1.000 M solution of cyanic acid (HCNO) with a 1.100…

A:

Q: An analytical chemist is titrating 149.0mL of a 0.2200M solution of piperidine C5H10NH with a…

A:

Q: An analytical chemist is titrating 86.9 mL of a 0.7900M solution of piperidine (C,HNH) with a…

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

Q: An analytical chemist is titrating 119.2 mL of a 0.1800M solution of ammonia (NH,) with a 0.4500M…

A: NH3 reacts with HNO3 follows the given equation : HNO3 + NH3 ---> H2O + NH4NO3  Molarity =…

Q: An analytical chemist is titrating 70.8mL of a 0.7400M solution of butanoic acid HC3H7CO2 with a…

A: Butanoic acid is  a weak acid. When it is titrated with strong base like potassium hydroxide then…

Q: Phosphoric acid is a triprotic acid with the pKa values pKa1=2.148, pKa2=7.198, and pKa3=12.375.…

A: Phosphate buffer is having high buffering capacity and it is made according to the pH requirement.…