(a) What does the pH scale measure? (b) Define the pH of a substance with hydrogen ion concen- tration of H.

Q: 69. A 0.185 M solution of a weak acid (HA) has a pH of 2.95. Calculate the acid ionization constant…

A: A weak acid are those which does not completely dissociate to liberate H+ ion

Q: Show computations for  [H+], pOH, [OH-] of the following substances. pH is already given.

A: Given: pH of baking soda = 10 pH of Kremil-S = 8 pH of Ascorbic acid = 4 pH of coffee = 5 We have to…

Q: The pH of an aqueous solution of 0.528 M benzoic acid , C,H;COOH is

A: Benzoic acid is a weak organic acid. It does not dissociates completely rather maintains equilibrium…

Q: The pH of a 0.225 M weak acid solution, HA, is 4.05, what is the K, of the acid?

A: pH = 4.05 pH = -log[H+] = 4.05 [H+] = 10-4.05          = 8.91 * 10-5 M

Q: Chemical pH #1 2 #2 9 #3 12 # 4 Which of the following chemicals will be a strong base? 1 3 4

A: Given  PH of different chemical = 2 ,9 ,12,5  Strong Base = ?

Q: Although BH3 and NH3 have similar chemical formulas, they exhibit opposite Lewis acid/base behavior.…

A: Lewis Acid - a species that accepts an electron pair and will have vacant orbital. Lewis base - a…

Q: Calculate the pH of 1.1 M C3H7COOH(aq) given that its Ka = 1.5×10-5. Provide your answer in decimal…

A: First of all, we need to find out the Degree of dissociation (alpha).…

Q: If the molarity of an unknown substance is expressed as 3.7 x 10-5, what is the pH of the substance?

A:

Q: Acids have a pH of ______ to _________.

A: The pH of any compound can be calculated on the basis of the concentration of hydronium ions present…

Q: The pH scale measures the mumber of H- 1ons in a solution If there are a lot of H- ions, is the pH…

A: PH is defined as logarithm of concentration of H+ ion.

Q: Write the formula of the conjugate acid of HSO,

A: When a given base accepts a proton it forms conjugate acid.

Q: A newspaper reported that the level of acidity in a sample taken from an extensively studied…

A:

Q: Define concept of Acid Strength and pKa ?

A: Acid strength means the tendency of acid to dissociate into H+ and anion. The dissociation of strong…

Q: Define the acid ionization constant and explain its significance.

A: Acid ionization constant and its significance:The acid ionization constant helps in the relative…

Q: How do I calculate pH of a salt? for example in 0.10 M NaClO4(aq)?

A: Salt are produced by the reaction of an acid and a base. For example, The pH of salt is given as :

Q: The concentration of acetic acid (pKa 4.75) in vinegar is about 1.0 M. With this information, what…

A: pH of a solution is defined as the negative logarithm of the H3O+ion concentration in moles per…

Q: The pH of an aqueous solution of 0.353 M aniline (a weak base with the formula C¿H2NH,) is

A: pH - pH is defined as negative logarithm to the base 10 of H+ ion concentration. Mathematically, pH…

Q: Describe the relations between acidity/basicity with proton concentration and pH scale.

A: The pH scale is used to measure the acidity or the basicity of the substance. The pH scale has value…

Q: ph level of  NH4OH, HFO, HIO4, Be(OH)2

A: We have to level the pH of the following NH4OH, HFO, HIO4, Be(OH)2

Q: The pH and pOH of 0.05 M of NaOH is ..

A:

Q: If enough HCl was added so that the concentrations of NH3 and NH4+ were 0.082 M and 0.017 M,…

A: An aqueous solution containing a mixture of weak base NH3 and its conjugate acid NH4+ leads to the…

Q: Determine the pH c

A:

Q: calculate the concentration of H + in a solution of hypochlorous acid (I) of 1 mol / liter. In your…

A: Given is Solution of 1M hypochlorous acid. i.e. [HOCl] = 1 M We need to find concentration of [H+]…

Q: An aqueous solution of 0.40M Mg(C6H5COO)2 has a pH of__________.

A: Given: The concentration of Mg(C6H5COO)2 0.40 M To find: pH Formula:

Q: If a sample of a certain solution is determined to have a [H3O+] concentration of 5.6×10^−12…

A:

Q: The pH of a 0.0046 M solution of HNO, is

A: Ph is the negative logarithm of the concentration of Hydrogen ion for dilute solutions. Thus, pH is…

Q: Determine the pH of the following solutions, using the information provided. 3.00 × 10–9 M KOH

A:

Q: The pH of a 0.0047 M solution of HNO, is

A: As HNO3 is a strong acid, it completely ionises in the solution.

Q: nobasic acids. pH value than CH,SO,OH with

A: An acid is a substance that gives H+ ions in its solution whereas a basic substance gives OH- ions…

Q: The concentration of CH3COOH (pKa=4.75) in vinegar is about 1.0 M. With this what do you predict the…

A: pH is the negative logarithm of Hydrogen ion concentration. pH of a solution can be calculated as:…

Q: In the laboratory, a general chemistry student measured the pH of a 0.558 M aqueous solution of…

A: The dissociation of formic acid. Given data: Initial concentration of formic acid is 0.558M. pH of…

Q: A solution is prepared by adding 0.0231 moles of H3O+ ions to 3.33L of water. What is the pH of this…

A: Given : moles of H3O+ ions = 0.0231 mol And volume of solution = volume of water approximately =…

Q: If you measure the pH of a carbonic acid solution to be 5.6, what is the concenration of the H3O+ in…

A: pH of carbonic acid=  5.6[H3O+ ] = ?

Q: Write the formula of the conjugate base of CoHsSH.

A: Conjugate acid and conjugate base:

Q: A 0.015M solution of cyanic acid has a pH of 2.67. Calculate the ionization constant, Ka, of the…

A: Given: Concentration of Cyanic acid(HCN) solution = 0.015 M pH = 2.67

Q: The PH of a Oil M agueas sólutiom of Naz( the sodium salt of 2s 10,70: what is thie ha for Hz?

A: Given: Concentration of NaZ solution = 0.15 M pH of NaZ solution                   = 10.70

Q: A 0.185 M solution of a weak acid (HA) has a pH of 2.95. Calculate the acid ionization constant (K,)…

A: Given:   The concentration of acid HA is 0.185 M. The pH of the given acid is 2.95.

Q: Determine the base ionization constant (in x 10^5) of a 0.0925 g sample of week base (molar mass =…

A:

Q: Aspirin, which is acetylsalicylic acid, was the first NSAID used to alleviate pain and fever. If a…

A: Introduction If the value of hydronium ion of any particular solution is known then one can easily…

Q: White vinegar is a 5.0% by mass solution of acetic acid in water. If the density of white vinegar is…

A:

Q: Determine the pH of a 1.2 M solution of NaF. The K, of HF is 7.2 x 104.

A:

Q: When hydrogen chloride reacts with ammonia ammonia chloride is formed. write the equation for this…

A:

Q: The pH of an aqueous solution of 0.506 M benzoic acid , C6H5COOH is

A:

Q: What is pH of a solution consisting of 1.35 M NH3 and 2.08 M NH,NO,? K, of NH, is 5.8 x 10 10 0 9.13…

A: Given: Concentration of NH3 = 1.35 M Concentration of NH4NO3 = 2.08 M Ka for NH4+ = 5.8×10-10 We…

Q: If a sample of a certain solution is determined to have a [H3O^+] concentration of 4.89×10^−1…

A: Given: [H3O+ ] = 4.89 × 10-1 M.

Q: Calculate the pH of a 0.400M solution of quinoline, C₉H₇N.

A:

Q: Explain how a set of weak bases, all with approximately the same 0.1 molarity, can have different pH…

A: Answer

Q: The pH of an aqueous solution of 0.470 M hydrocyanic acid is

A: Given :- concentration of hydrocyanic acid = 0.470M  To be calculated :-  pH of solution  pH =…