QI- SOLVE mathematically, then choose the correct answers: 1- Calculate the pH of solution made by combining 100 ml of 0.28 M HC,H,O; and 50 ml of 0.36 M NAOH, Ka for HC,H,Ó, =1.8 x 10 a- 3 b- 3.68 C- 4.74 d- 5 e- 6 2- The pH in a saturated Mn(OH); solution is...at solubility product constant for Mn(OH)2 is 4.6x10". a- 9.0 b- 9.2 c- 9.3 d- 9.5 e- 9.7

Q: At 25oC, a 100mL solution is found to contain 20% by mass acetic acid (CH3COOH). The density of the…

A: Given: Density of solution (ρs) = 1.05 g cm-3 Volume of solution initially (V1) = 50 mL Final volume…

Q: What volume of (0.45 M) Ca(OH)2 must be added to 50 mL of 0.25-M (KOH) to give a solution 0.8 M in…

A: Concentration of Ca(OH)2 =0.45M Valume of KOH = 50ml Concentration of KOH =0.25M Concentration of…

Q: NH3: 1x10 tre 5. After you have calculated the pH of the solution with a mass percent of 3.00% NaOH…

A: Total mass of solution is 100gram Mass of NaOH = 3gram Density =1.0242gm/ml. Molarity of NaOH =…

Q: A student is told by their chemistry professor that he thinks he remembers that the ion product…

A: Hydrogen ion concentration is calculate as shown below where [H+], [OH-], and [Kw] are the…

Q: 2), 3), 4)

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: You begin with 100 mL of 0,250 M HCN and add to it 0,75 M NaOH at 25°C (HCN Ka = 6,2 * 10-10)…

A: Given: The volume of 0.250 M HCN added to 0.75 M NaOH is 100 mL. The acid dissociation constant of…

Q: Calculate the pH of a 0.082 molar NaF solution (Ka for HF is 7.1X10^-4)

A: The pH of a 0.082 molar NaF solution is to be calculated. (Ka for HF is 7.1×10-4).

Q: Determine the pH of a 0.650 M solution of magnesium nitrite, Mg(NO2)2 at 25 °C. A solution…

A: Answer: Hydrolysis of the salt of weak acid and strong base or strong acid and weak base takes place…

Q: Phosphorous acid (H3PO3) has the Lewis structure shown at right.(a) Explain why H3PO3 is diprotic…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.

Q: Write the equations that represent the first and third ionization steps for phosphoric acid (H3PO4)…

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Q: Determine the pH of the resulting solution when the following two solutions are mixed: 50.0 mL of…

A: The given information is: Volume of HNO2 = 50ml = 0.050 L Concentration of HNO2 = 0.500 M Volume of…

Q: Calculate the pH at 25 °C of a 0.73 M solution of sodium propionate (NaC,H,CO,). Note that propionic…

A: Given  pka = 4.89 ka = 10-pka ka = 10-4.89 = 1.3 ×10-5 Now, ka x kb = 10-14                   kb =…

Q: Calculate the plf of a solution that is prepared by dissolving 0.520 mol of hydrocyanie acid (HCN,…

A: HCN dissociates as H+ and CN-  Total volume = 2.4L 0.520 mol of HCN has been dissolved. Thus…

Q: Calculate the pH at 25 °C of a 0.73 M solution of sodium propionate (NaC,H,CO,). Note that propionic…

A: Since HC2H5CO2 is a weak base with pKa = 4.88  Hence the pKb of its conjugate base i.e C2H5CO2- = 14…

Q: Consider a buffer solution made up of H2PO4- and HPO42- . For H2PO4-, Ka = 6.2 x 10-8. What mole…

A: Answer: 1.38

Q: a.For a weak acid (HA) titration, what are the net ionic reactions for the following processes?…

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Q: Calculate the pH, pOH and concentration of the resultant salt for the following solutions. Acid |…

A: Acid and base, when added undergo neutralization reaction to form salt and water(H2O). HBr(aq),…

Q: mL, what wi

A: Given as,   Density of solution ρs=1.05gcm-3 volume  of solution infinityv1=50 ml Final…

Q: Calculate the pH of a solution formed by mixing 550.0 mL of 0.30 M HClO with 275.0 mL of 0.20 M…

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Q: 16 of A certain weak base has a Kp of 8.70 x 10-7. What concentration of this base will produce a pH…

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Q: What will happen to the pH of a 2.0 HF solution (pH=1.42, Ka=7.23x10^-4) if you added some NaF to…

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Q: A solution of vinegar is 0.763 M in acetic acid, C2H4O2(molar mass = 60 g mol-1). The density of…

A: Since you have posted multiple questions, we will solve only first question for you. If you want any…

Q: Caffeine (CH₁N4O₂) is a weak base that is related to ammonia. For the purposes of this question, we…

A:

Q: c) What mass of NaC₂H,O,₂ must be dissolved in 0.300 L of 0.25 M HC₂H₂O₂ to produce a solution with…

A: mass of NaC2H3O2 ,sodium acetate = ? Volume of NaC2H3O2 = 0.300 L [HC2H3O2 ] = [CH3COOH] = 0.25 M pH…

Q: A Moving to the next question prevents changes to this answer. estion 2 What is the pH of the…

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Q: Like any equilibrium constant, Kᵥᵥ changes with tempera-ture. (a) Given that autoionization is…

A: Given: Autoionization of water is given as endothermic reaction.

Q: 5. a. Write an equation to show that HPO, (aq) can act as a Brønsted ba se in water. b. Label the…

A: The equilibrium constant can be written as the ratio of concentration of products to the…

Q: Calculate the pH of a solution formed by mixing 100.0 mL of 0.20 M HCIO with 200.0 mL of 0.30 M…

A: Given: Concentration of HClO = 0.20 M Volume of HClO solution = 100.0 mL= 0.100 L…

Q: At 50 °C, the ion-product constant for H2O has the valueKw = 5.48 x 10-14. (a) What is the pH of…

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Q: Which solution below would have the greatest buffering capacity? The solution was prepared from a…

A: To find which buffer have greatest buffering capacity first we have to know about the Buffer…

Q: 4. Calculate the Mass (grams) of ammonium sulfate that must be added to 500 mL of 0.1 M solution to…

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Q: I'd like help with the theoretical pH calculation, please. The Ka of both NH3 and CH3COOH is given.…

A: The pKa of acetic acid can be calculated as follows-

Q: 16.46. (D)

A: Given information: Volume of Ba(OH)2 solution = 20.0 mL Concentration of Ba(OH)2 solution = 0.015 M…

Q: Calculate the volume of 1.50 × 10-2 M NaOH that must be added to 500.0 mL of 0.200 M HCI to give a…

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Q: The pH of blood plasma is 7.40. Assuming that the principal buffer system in blood is HCO, /H2CO3,…

A: Given,  pH of blood plasma = 7.40

Q: Calculate the volume, in milliliters, of a 0.520 M KOH solution that should be added to 4.000 g of…

A: Data given:  Molarity of KOH solution = 0.520 M = 0.520 mol/L (M = mol/L)  Mass of HEPES = 4.000 g…

Q: For a 0.00533 M solution of sodium benzoate, NaC6H5CO2, do the following. Identify the major species…

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Q: Calculate [OH−] for the strong base solution formed by mixing 10.0 mL of 1.50×10−2 MBa(OH)2 with…

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Q: H,CO, H* + HCo,- HCO, H* +CO, 3. K, = 4.3 × 10-7 K, = 5.6 × 10-" The acid dissociation constants for…

A: There are two types of bases/acids. One is strong base/acid which is completely dissociable in into…

Q: 3) What is the pH of a 0.1OM solution of NaCN? The K, of HCN is 4.9 x 10-10. la. 2.85 b. 5.15 C.…

A: The salts that are formed from the strong acids and strong bases would not undergo hydrolysis. The…

Q: Calculate the pOH of a solution that results from mixing 41.4 mL of 0.11 M HBrO(aq) with 33.1 mL of…

A:

Q: Calculate the ph and poh for a solution that is 0.63 M in NH3 and 0.4 M in NH4Cl, Ki for NH3 is…

A: Given,  The molarity of NH3 = 0.63 M  The molarity of NH4Cl = 0.4 M The Ki for NH3 = 1.9 × 10-5  The…

Q: What is the pH of rainwater at 25°C in which atmospheric CO2 has dissolved, producing an initial…

A: The hydrogen ion concentration is calculated as shown below where Ka is the dissociation contant and…

Q: Determine the pH of the solution

A: According to question Ka = 1.82 x 10-⁵ Mass of acetic acid = 20.0 g Molar mass = 60.05g/mol  No. Of…

Q: Calculate the pOH of a solution that results from mixing 36.1 mL of 0.13 M HBrO(aq) with 12.9 mL of…

A:

Q: b) 10.5 ml of x M hypochloric acid, HOC? , is diluted to 250 ml. I) Calculate the value of x If the…

A: i) Determination of x from Molarity equivalence relation: M1V1=M2V2x×10.5 mL=0.15 M×250 mLx=3.57 M…