Q3 A sample of 0.0084 mol of HCI is dissolved in water to make a 1500-mL solution. Calculate the molarity of the HCl solution, the [H3O 1 and the pH. For a strong acid such as HCI, the [H2O] is the same as the molarity of the HCl solution. HCl(aq)+H20() H30 (ag)+CI (aq) SrAnslo JIN

Q: In the following equation HNO2 (aq) + H2O (l) ↔ H3O+ (aq) + NO2-(aq), 0.37 M of nitrous acid was…

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

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Q: A 0.945 M solution of a weak acid HA, is 4.50% ionized. What is the pH of the solution?

A:

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Q: What is the pH of a 7.82×103 M solution of the strong acid HCl? HCI(aq) + H20(() → cI(aq) + H3o*(aq)…

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Q: What is the acid-ionization constant, Ka, for this acid?

A: Given data contains, Concentration of HA is 0.200 M. pH is 2.210. The given chemical equation is,…

Q: Q2 A solution has a [OH ]=4.0×10 M. What are the [H3O*] and the pH of the solution? Q3 A sample of…

A: [H3O+]×[OH-] =1.0×10-14 M2 pH= -log [H3O+]

Q: Strong and Weak Acids and Bases Citric acid is a stronger acid than carbonic acid. Which has a…

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Q: 8.50g of the strong base, Ba(OH)2, (molar mass = 171.342 g/mol) was dissolved in enough water to…

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Q: Constants I Periodic Tabl typical aspirin tablet contains 324 mg of aspirin mcetylsalicylic acid, C,…

A: From given data  mass of aspirin = 324 mg = 0.324 g Ka = 3.0 ×10-4 Volume = 350 mL = 0.350 L Also,…

Q: The pH of a 0.1 M solution of a monobasic acid P is 1.0 while the pH of a 0.2 M solution of another…

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Q: The pH of a solution of household ammonia, a 0.950-M solution of NH3, is 11.612. What is Kb for NH3.

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Q: 10.77 A 0.10 M solution of the deadly poison hydrogen cyanide, HCN, has a pH of 5.2. Calculate the…

A: We will calculate H+

Q: The pH of a 2.642M solution of a weak acid, HB is 2.34, What is the Ka for the acid?

A: Given: The conc. of the weak acid solution = 2.642 M HB is a weak acid with a pH = 2.34 A weak acid…

Q: Sodium bisulfate, NaHSO4, is used in some household cleansers because it contains the HSO4 - ion, a…

A:

Q: An acid has the generic formula H2X, where X is an anion. What is the charge on X? What is the…

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A: It is informed that HNO2 is an acid stronger than HCN.

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A:

Q: Based on the chemical equation, HCl(ag) + H2°(1) H30* (aq) + cl (aq) which of the following…

A: According to Brønsted-Lowry theory, any compound that can transfer a proton H+ (or proton donor) to…

Q: A 0.125 M weak acid (HA) solution has a pH of 2.25. Find the acid ionization constant, Ka-

A: Given that : Initial concentration of weak acid = 0.125 M pH = 2.25 The pH can be given by : pH =…

Q: (b) Barbituric acid, HC.HN.O. (aq), is a weak acid with a Ka of 9.8 x 10 Calculate the [H+], pH and…

A: Given: barbituric acid with Ka=9.8×10-5 To find: [H+],pH and pOH

Q: HF. (T/F). 24. A vinegar solution (acetic acid) has a hydroxide ion concentration of 0.000000000005…

A: 24 Given Concentration of OH- = 5 × 10-12 M

Q: Determine the pH of each of the following solutions: a. 0.125M NH,CI (aq), K, for NH3 = 1.8x105 b.…

A:

Q: How do i set this question up.

A: Given:Mol. Of HCl = 0.0084Volume = 1500 mLMolarity of HCl =?Con. H3O+ = ?pH = ?

Q: A solution is prepared by adding 500 mL of 0.30 M NaCN(aq) to 500 mL of 0.40 M HCN(aq) at 25 degrees…

A:

Q: Propionic acid, C2H5CO2H (Ka = 1.34 × 10−5), is used in the manufacture of calcium propionate, a…

A: pH means "potential of hydrogen" which is a scale used to specify the acidity or basicity of an…

Q: (a) Using the expression Ka=[H+][A−]/[HA], explain how to determine which solution has the lower pH,…

A:

Q: A teacher pipettes 5.0

A: M1V1 = M2 V2  Where  M1 = initial Molarity= 1.5 M  V1 = initial volume = 5 mL    M2 = final Molarity…

Q: At 25°C, the pH of a vinegar solution is 2.60. What are the values of [H3O+] and [OH-] in the…

A: First, from given pH value, the concentration of [H3O+] ion in solution is calculated.

Q: - pH of Saliva The pH of saliva is normally in the range of 6.4 to 7.0. However, when a person is…

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Q: The pH of a normal raindrop is 5.60. Compute the con- centrations of H,CO;(aq), HCO; (aq), and CO3…

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Q: A solution NaOH(aq) contains 5.7 g NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of…

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Q: Given the following information: hypochlorous acid HCIO formic acid НСООН HCOOH is a stronger acid…

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Q: A researcher, obtained a solution with [H3O+] = 2.3 x 10^-4 M at 25 degrees Celsius after mixing HCl…

A: We know that, at 25 °C , the ionic product of water Kw  is given by ,…

Q: 3. Calculate the molarity of the HCI solution if 0.074 mol of HCI is dissolved in water to make 2000…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: The barium oxide is a strong electrolye:  BaO(s) + H2O(l) → Ba2+(aq) + 2 OH−(aq). What is the pH…

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Q: hich of the following could be a pH of NaOH? a. 9 С. 7 b. 1 d. 6 Vhich compounds are Arrhenius…

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Q: HCIO is a weak acid (K, = 4.0 x 10-) and so the salt NaCIO acts as a weak base. What is the pH of a…

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Q: Calculate the [OH–] of a solution that has a pOH of 4.79.   Enter your answer as x.x*10^# (where x…

A:

Q: The barium oxide is a strong electrolye:  BaO(s) + H2O(l) → Ba2+(aq) + 2 OH−(aq). What is the pH…

A: The barium oxide is a strong electrolye:  BaO(s) + H2O(l) → Ba2+(aq) + 2 OH−(aq) Barium oxide…

Q: If the pH of a 0.0850 M solution of HBrO2 is 2.29, then what is the value for the acidity constant,…

A: pH = -log[H+] Relation between [H+], Ka and C of a weak acid solution: [H+] = (Ka x C)1/2

Q: Phthalic acid (H,C3H,O4, abbreviated H,Ph) is a diprotic acid. Its ionization in water at 25°C_takes…

A: Given:                           H2Phaq+H2Ol⇌H3O+aq+HPh-aq…

Q: mol

A: First we will calculate, amount of H+ ions in solution. pH = -log[H+] [H+] = antilog(-pH). [H+] =…

Q: What is [H3O+] in a 0.55 M solution of a weak acid, HX, that is 3% ionized?

A: HX + H2O <=> H3O+  +  X- Percent ionisation of an acid ( HX)  = ( [ H3O+ ] / [ HX ] ) × 100