21. What is the pH and percent ionization in a 0.145 M solution of sulfurous acid?

Q: How many grams of NaNO, is needed to prepare an aqueous solution of 170 mL with a pH of 8.54? (For…

A: Consider the initial concentration of NO2- to be C and the reaction can be depicted as; Here, x=…

Q: 5. A beaker contains a strong base. What might you expect the pH of the substance to be? * O 2 O 5 O…

A: A beaker contains a "strong base". We need to find out the expected pH of the substance.

Q: What is the pH of a solution with [H3O+] of 1.9 x 108 M?

A:

Q: 24. Determine the pH and pOH of a 0.0034 M HNO3 solution.

A: Dissociation of HNO3 is given as,

Q: List the following compounds in order of increasing acid strength: HBrO, HBrO2, HClO2

A: The acidity order of oxoacid is given below

Q: White vinegar has a pH of 2.4 while apple cider has a pH of about 4.25. What is the difference…

A:

Q: You have a 1.25 L solution with 2.14 g of NaIO and the pH is 11,32. What is the Kb of NaIO?

A: Solution pH, pKa, pKb, Ka, and K ar employed in chemistry to explain however acidic or basic an…

Q: Malonic acid (Ka1 = 1.42 x 10–3, Ka2 = 2.01 x 10–6) can exist as one of the 3 forms shown below.…

A:

Q: 23. What is the pH of a 3.0 x 107 M solution of HCI?

A:

Q: Hydrogen fluoride is considered: A a weak base B a weak acid C None of the others D a strong…

A: Strong acid and base are those which are strongly dissociates into ions whereas weak acid and base…

Q: Use the References to access important valu The pH of an aqueous solution of 0.267 M ammonium…

A: The PH  of NH4Br can be calculated as

Q: The pH for 0.050 M HNO3?

A: All aqueous solutions always carry particular characteristics in terms of their pH value. [H+] ions…

Q: Calculate the pH for the following solutions: a. [H,Oʻ] = 1.4 × 10³M b. [OH'] 3.5 x 102M

A:

Q: 17) A weak base, B, has a concentration of 0.155 M. If the pH of the solution is 11.24, what is the…

A:

Q: How many moles of nitric acid would you have if you had 0.550 L of a 0.025 M nitric acid solution?…

A: The number of moles of nitric acid (n) is calculated as shown below where M is the concentration of…

Q: 4) Hydrogen peroxide decomposes spontaneously slowly to form water and oxygen gas according to the…

A: The balanced reaction taking place is given as, => 2 H2O2 (l) -----> 2 H2O (l) + O2 (g) Given…

Q: culate the pH of an 3.09 x 103 mol/L solution of hydrochloric acid to two wer:

A:

Q: Calculate the pH of a solution that is prepared by dissolving 8.98 g LiF in enough water to make…

A:

Q: What is the pH of a 0.0600 M solution of nitrous acid at 25 C?

A: Since nitrous acid is a weak acid with acid dissociation constant = 5.6 X 10-4  The dissociation…

Q: er the following solutions are acidic, basic, or nearly neutral: (a) NaBr, (b) K2SO3, (c) NH,NO2,…

A:

Q: 7. What are the conjugate base and conjugate acid for HSO, ? What is the term used to describe…

A: Conjugate acid is formed when we add protons to a base and conjugate base is formed when proton is…

Q: The substance HIO3 is expected to be a stronger acid than the substance HIO.

A: Acidity depends on the oxidation state of central atom.

Q: 2. Which of the following is closest to the pH OF a solution containing 5 mM H,SO, ? А. 1 В. 2 С. 3…

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

Q: 5. Which of the following are expected to act as a Lewis acid? Why? d. Et,O а. ВНз b. EtОH e. NH,+…

A: A Lewis acid is therefore any substance,  that can accept a pair of nonbonding electrons. In other…

Q: Suppose .0274 g of HCIO4 is dissolved in 425 mL of aqueous solution. What is the pH? O 4.19 O 1.19 O…

A:

Q: Calculate the pH of a solution that is made by dissolving 5.54 g NH4NO3 in enough water to create…

A: First to calculate morality Then to calculate degree of dissociation.  Then to calculate pH.

Q: Which of the following indicates the most acidic solution? A. [OH]=0.5 M B. [H] =0.3 M C. pOH = 5.9…

A: pH = - log [H+] pOH = - log [OH-]   [OH-] = 10-pOH  [H+] = 10-pH    pH + pOH = 14    pH = 7 :…

Q: What is the pH of a 0.20 M HCI solution? O 12.39 O 0.70 O 13.30 O 1.61

A:

Q: 21. If the pOH of a solution is 4.5, what is the pH?

A: Given -  pOH = 4.5

Q: 23. What is the pH of a 1.5 x 10-10 HBr solution?

A: The given HBr solution is very dilute. The concentration of H+ ions produced from the dissociation…

Q: Calculate the percent ionization of a 0.125-M solution of nitrous acid (a weak acid), with a pH of…

A: pH of a solution is equal to negative logarithm of the concentration of the hydrogen ion. Write the…

Q: The hydronium ion concentration in a sample of rainwater is found to be 1.7 × 10−6 M at 25 °C. What…

A: Given : Concentration of hydronium ions i.e [H3O+ ] = 1.7 X 10-6 M

Q: What is the pH of .242 M H2CO3 (aq)? O 6.38 О 3.50 O 10.50 O 4.12 O 5.47

A: pH is defined as negative log of concentration of H+ ions in the solution.

Q: Malonic acid (Ka1 = 1.42 x 10–3, Ka2 = 2.01 x 10–6) can exist as one of the 3 forms shown below.…

A:

Q: Briefly explain differences between acidic , neutral and alkaline ph

A: Acids liberates H+ ions in the aqueous solution while Alkalis (or Bases) liberates OH- ions in the…

Q: Which of the following is the strongest acid: н, с. ОА Ов C OD A 'OH H, C FH В OH HC C OH F ж Н D…

A:

Q: Calculate the pH of 1.60 M H₂SO4.

A: Given : Concentration of H2SO4 = 1.60 M

Q: Calculate the percent ionization of a 0.155-M solution of nitrous acid (a weak acid), with a pH of…

A: pH = -log [H+] % ionization = 100 x [H+]/[Acid]

Q: 1.21 х 103 М HNO3

A: Calculate the pH of each of the following solutions of strong acids.

Q: How many moles of NH3 must be dissolved in water to give 615.4 mL of solution with a pH of 10.96? K…

A: The number of moles NH3 disolved in water is given below

Q: How many times more acidic is battery acid with a Ph of 0 than tomatoes with a Ph of 4?

A: Given: pH of battery acid = 0  And pH of tomatoes = 4

Q: Determine the pH of the solution resulting from mixing a solution of 154 mL of HNO2 (Ka = 5.62e –…

A:

Q: What is the pH of 1.75 M NH3 (aq)? O 9.50 O 4.50 O 4.74 O 2.25 Ο 11.75

A: Solution :

Q: Calculate the pH of a 1.60 M KBRO solution. Ka for hypobromous acid, HBrO, is 2.0 × 10º. 4.25 2.55…

A: ph is the gives the hydrogen ion concentration in the aqueous solution.

Q: What is the pH and the concentrations (of all species) in a 0.075 M solution of Na2S?

A:

Q: Determine the pH of a solution that is 0.00542 M HCl and 0.0513 M HClO2. The Ka of HClO2 is 1.1 ×…

A:

Q: 2.44 moles of HNO3 is added to water and the final volume is 330mL. The pH of this solution was…

A: Nitric acid is strong acid. Given , pH = 1.47

Q: How many moles of (CH3)3N  would need to be added to 459.2 mL of a 0.25 M solution of (CH3)3NHCL  to…

A:

Q: If the hydrogen ion concentration of a solution is [H*] = 1 x 10 M, is the solution acidic,…

A: The hydrogen ion concentration of the given solution is = 1.0 x 10^-7 M The nature of the solution…

Q: Calculate the theoretical pH of the solution please 0.100 M aluminum nitrate Hydrated aluminum ion…

A: Al^3+ solution is slightly acidic in nature. This is because Al^3+ has very high ionic potential.…