Case 3: pH with known K: The dissociation of ammonia (NH3) in water is shown below: NH3 (aq) + H2O (m = NH4*(aq) + OH-(aq) At 25°C, Kb, is 1.8 × 10-5 (7) Calculate the pH of a mixture of 0.192 mol NH3 and 0.116 mol NH4C1 diluted to 400.0 mL with distilled water.

Q: uppose a solution of NaOH was titrated and found to have a molarity of 0.250 M. This solution is now…

A:

Q: (a) Calculate the percent ionization of 0.00730 M carbonic acid (Ka = 4.3e-07). % ionization (b)…

A: Percent ionisation is calculated using formula : % ionisation = ( [ H+] / [ Acid ] ) × 100 Where , […

Q: What are the equilibrium concentrations of all species of 18.0M acetic acid at 25°C? What is the pH…

A: Acetic acid is a weak acid, so in an aqueous solution, it can not dissociate fully. To determine the…

Q: Which acid is the strongest when dissolved in water? K, values are listed next to the acid. Select…

A: According to Arrhenius concept,An acid is a substance i.e. when dissolved in water gives H+ ions .…

Q: 6:15 Question 16 of 22 2- 3C₂² Write the basic equilibrium equation for NH3. Be sure to include the…

A: Equilibrium refers to a state where the rates of the forward and reverse reactions are equal,…

Q: Given the following information: acetic acid CH3COOH hydrocyanic acid = HCN CH3COOH is a stronger…

A:

Q: A chemist prepared aqueous solutions of two weak acids: solution A is hydrazoic acid (HN3), and…

A: A. Ka = 1.3x10-5B. Kb = 4.0x10-10C. hydrazoic acidD. propanoate ion Explanation:Given:…

Q: A solution is prepared at 25 °C that is initially 0.44M in diethylamine ((C,H,),NH), a weak base…

A: Basic buffer solution: Basic buffer has a basic pH and is prepared by mixing a weak base and its…

Q: Determine the pH of a 0.74 M aqueous solution of hydrocyanic acid (HCN) and the concentration of all…

A: It refers to the acid dissociation constant having the significance of that fact that how much or…

Q: Determine the acid dissociation constant, Ka, for a 0.10 Ma weak acid solution that has a pH of…

A: Given : Concentration of weak acid HA = 0.10 M And pH of the solution = 2.87  The ionisation…

Q: 57. The pH of normal, unpolluted rainwater is controlled by carbonic acid equilibrium: CO₂(g) →…

A: We have find out the answer.

Q: Determine the pH of a solution that is 0.075 M (CH3):N and 0.10 M (CH.) NHCI. The value of Kb for…

A: BUFFER SOLUTION A buffer solution is a mixture of a weak acid and its conjugate base or a weak base…

Q: Why is pH at the equivalence point larger than 7 when youtitrate a weak acid with a strong base? (a)…

A: Since the weak acid will have a basic salt with the strong base. Hence the pH of the weak acid…

Q: Consider the weak bases below and their Kp values: Ky = 1.8 x 10-5 Kp = 5.6 x 10-4 10-9 NH3 C2H5NH2…

A: Given is , bases and their Kb.

Q: If the bicarbonate ion (HCO3-) concentration in a sample of blood is 0.125 M, determine the carbonic…

A:

Q: Trimethylamine, (CH3)3N, is a gas with a fishy, ammonia–like odor. An aqueous solution that is 0.42…

A:

Q: The following reactions 1) CIO (aq) + HF (aq) F (aq) + HCIO (aq) 2) CIO (aq)+ CH5COOH (aq)HCIO (aq)…

A:

Q: 4. (6) Calculate the concentration of sodium benzoate (NaC,HSO2) that must be present in a 0.20M…

A: Using the formula to calculate the concentration required.  Neglect the common ion effect, since ka…

Q: Nicotine is dibasic (in other words, it is a base but follows a similar pattern to a diprotic acid).…

A: The dissociation(hydrolysis) reactions of the dibasic base, Nicotine(B) are: B(aq) + H2O(l) ⇌…

Q: What is the percent dissociation of a 0.1250M benzoic acid solution if its pH=2.59?

A:

Q: Cl2(aq) reacts with H,O(€) as follows: Cl2 (aq) + 2 H20(€) 2H;0* (aq) + Cl¯(aq) + HOCI(aq) For an…

A: In order to find the answer to the above question we try to analyze the given data: The reactants of…

Q: HCN

A: When we add NaCN in HCN then pH will change .

Q: What is the pH of a 0.300 M NH 3 solution that has Kb = 1.8 x 10 ? The equation for the dissociation…

A: The pH of solution can be calculated as follows

Q: Phosphorous acid, H,PO,(aq), is a diprotic oxyacid that is an important compound in industry and…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Trimethylamine, (CH3)3N, is a gas with a fishy, ammonia–like odor. An aqueous solution that is 0.47…

A:

Q: If the pH of a 0.200 M solution of the CICH2O¯ ion is 12.05, then what is the value for the basicity…

A: Given: pH = 12.05 Thus, pOH = 14 - 12.05 = 1.95 As pOH = -log[OH-] Thus, [OH-] = 10-pOH = 10-1.95 =…

Q: Trimethylamine, (CH3)3N, is a gas with a fishy, ammonia–like odor. An aqueous solution that is 0.41…

A: As value of Kw is 1.0×10-14 , therefore pH + pOH = 14  Given concentration of trimethyl amine is…

Q: The ionization states of Phosphoric Acid are shown below: At a pH of 7.4 identify the relevant acid…

A:

Q: Given the following information: benzoic acid CH;COOH %3D hydrofluoric acid HF %3D HF is a stronger…

A: The question is based on the concept of acid and base and equilibrium. we have to identify the…

Q: 9 (a) Define and write the expression of Kw for the dissociation of water (H2O). Kw is the of Kw (b)…

A: On autoionization of water, H+ and OH- ions are produced.

Q: (3) You are asked to bring the pH of 0.500 L of 0.500 mol/L NH4Cl to 7.00. What volume, in drops, (1…

A: The objective of the question is to determine the volume of drops.It is given that,The pH of the…

Q: Consider the following bases: F A B Which of the following statements is true? (1) The ions increase…

A: An electron-withdrawing group increases the stability of an anion.

Q: The pH for 0.0850 M solution of C6HSCH:COOH is 2.68. Determine the value of Ka for CcHsCH:COOH. 1…

A: The acid dissociation constant (Ka) measures the acidic strength in the solution quantitatively. The…

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

A:

Q: The strongest known acid is fluoroantimonic acid, [H₂F][SbF6]. It is 1016 times more acidic than…

A: The acidity of an acid is due to the presence of free H+ ions.The higher the concentration of H+ ion…

Q: Be sure to answer all parts. Calculate the hydroxide ion concentrations of the following solutions…

A:

Q: 5) and 6)

A: “Hey, since there are multiple questions posted, we will answer first question. If you want any…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.