12. Sodium Azide (NaN3) is sometimes added to water to kill bacteria. Calculate the pH of a 0.010 mol/L solution of NaN 3. (6 Marks) [T] Ka = 1.9x1056 points

Q: A 0.0800 M solution of a monoprotic acid is 14.5 percent ionized. Calculate the ionization constant…

A: Monoprotic acid concentration = 0.0800 M %ionisation = 14.5 %

Q: What is the pH of a system that is 0.40 M in NH3 and 0.80 M in NH4Cl? (Kb = 1.8 x10-5 )

A:

Q: ou are working with a solution that has [H*] = 1.0 x 10-⁹. a. Write this out as a decimal: b. What…

A: pH is defined as the negative logarithm of H+ ion concentration. Hence the meaning of the name pH is…

Q: If a buffer solution is 0.160 M in a weak acid (K₁ = 1.9 × 10-5) and 0.450 M in its conjugate base,…

A: Given,  Concentration of weak acid = 0.160 M  Ka = 1.9 x 10-5  Concentration of Conjugate base =…

Q: Lemons get their sour flavor from citric acid (Ka = 7.4 x 10-4) a fresh squeezed lemon can have a…

A: HOOC-CH2-C-      COOH|   OH|CH2-COOH ( Citric acid )  Citric acid is tribasic acid and its n.factor…

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: 7. Using Ka to Calculate pH (7.1) Calculate the pH of a 0.20 M solution of HCN. (Ka=4.9×1010.)

A: Please find your solution below :

Q: 12) To determine the titration acidity of a bottled cherry juice, 0.01 L of cherry juice was…

A: Cherry juice contains malic acid dominantly.Molar mass of malic acid = 134 g/ moleMalic acid…

Q: For the diprotic weak acid H2A, Kal = 3.5 × 10-6 and K22 = 7.7 × 10-9. What is the pH of a 0.0400 M…

A: The pH is used to determine the alkalinity or acidity of a solution. the pH is determined as the…

Q: A buffer solution contains dissolved C6H5NH2 and C6H5NH3CI. The initial concentration of C6H5NH2 is…

A: A buffer solution is formed by the dissolution of weak acid and its pH and pKa values should be…

Q: What is the pH of a solution that is 0.811 M in hydrosulfuric acid (H₂S)? Ka1 = 8.9 x 10-8 and Ka2 =…

A:

Q: Calculate the pH of a 0.020 M solution of oxalic

A: Given:Concentration of oxalic acidTo find:The pH of the oxalic acid

Q: Lactic acid, HC3H5O3, is found in sour milk. What is the pH of 0.30 M lactic acid? This acid is a…

A:

Q: 34) Hypochlorus acid, HCI0, has a ha oF 3.0 x 10-8 q= Calculate hb For the hypochlorite ion %3D

A:

Q: What is the percent ionization of acetic acid (CH3COOH) in a solution that contains 0.10 M acetic…

A: Ionic solids are metal salts. They formed when metals form an ionic bond with non-metals. Ionic…

Q: Pick out the wrong pH or pOH values for following solution Multiple answers: Multiple answers are…

A: pH and pOH are measures of the acidity or basicity (alkalinity) of a solution. They are logarithmic…

Q: 5. A 25.0 mL sample of 0.500 M formic acid (HCOOH) is titrated with 60.00 mL of 0.300 M NaOH. What…

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

Q: HCI, HNO3, HCIO, and HCIO: are strong acids. NaOH, KOH, LIOH, and Ca(OH)2 are strong bases. Complete…

A: A strong acid or a strong base fully dissociates in water. So the number of moles of ions produced…

Q: QUESTION 6 Consider a solution which is 0.10M in CH3COOH and 0.20M in NaCH3COO. Choose ALL of the…

A:

Q: Lemons get their sour flavor from citric acid (Ka = 7.4 x 10-4) a fresh squeezed lemon can have a…

A:

Q: What is the pH of a solution that results from mixing together equal volumes of a 0.070 M  solution…

A: Given data pKa of NH4+ = 9.25 Concentration of ammonia = 0.070 M Concentration of HCl = 0.035 M

Q: What is the pH of a solution containing 0.30 M HCOOH and 0.52 M HCOOK? Ka of HCOOH is 1.7 x 10-4…

A:

Q: 7. A 0.0560 g quantity of acetic acid is dissolved in water to make a 50.0 mL solution. The pka of…

A: pH of given acetic acid solution can be determined using Ka and concentration of solution.

Q: NH3 is a weak base (K, = 1.8 x 10-5) and so the salt NH4Cl acts as a weak acid. What is the pH of a…

A:

Q: [References] Calculate (OH], H*], and the pH of 0.38 M solutions of each of the following amines (K,…

A:

Q: What is the pH of 0.10 bicarbonate (HCO3-) solution? Kb=2.4E-8. x= ? [H3O+] = ? pH = ?

A: The solution for the first part is as follows :

Q: What is the pH of a solution formed by mixing 135.0 mL of 0.0100 M HCl with 80.0 mL of 0.0450 M…

A:

Q: 3. Lactic acid, C,H,O, (90), is a weak acid that gives yogurtits sour taste. Calculate the pH of a…

A:

Q: A.) Calculate the pH of a 0.359 M aqueous solution of hydrofluoric acid (HF, Ka = 7.2×10-4) and the…

A:

Q: (a) Calculate the percent ionization of 0.00280 M carbonic acid (Ka = 4.3e-07). % ionization =…

A:

Q: How many grams of NaOH (MW=40.0 g/mole) do you need to add to 50.0 ml of a 0.2 M weak acid HA…

A: Given data contains, Concentration of HA is 0.2 M. Volume is 50.0 mL. Ka is 4×10-6. The moles of HA…

Q: The substance acetylsalicylic acid (aspirin) (HC,H704) is a weak acid (Ka = 3.0×10-4). What is the…

A:

Q: What is the pH when 0.09 L of 0.148 M HCI is added to 0.148 L of 0.09 M C6H5NH2? (Kb = 3.8* 1010)…

A: Moles of HCl =Molarity x Volume = 0.148 x 0.9=0.1332 mol Moles of C6H5NH2=0.09  x 0.148 =0.01332 mol…

Q: Tartaric acid is found in many fruits including grapes. Tartaric acid is partly responsible for the…

A: Given that, the dissociation constants of the tartaric acid, H2C4H4O6 are  Ka1 = 1.00×10-3 and Ka2 =…

Q: Calculate the following: a- A 0.125 M weak acied CHA) solution has a pH of 2.25. Find Ahe acid…

A: Ka = 2.5 × 10-4

Q: sing the constant below, calculate the molar concentration (M) of acid H30+ in olution if the…

A: Kw is the water dissociation constant, and is given by : Kw = [ H3 O+] [OH-]  Using this, we can get…