What is the ratio of NH4+ to NO2 in O2-saturated water when the pH is 8.20 and the pE is 4.42? (Ecell = 0.895) 8.92 0.052 O 1.88 x 10-5 O 19.2 3.55

Q: What is the pH of a solution that contains 50mL of 0.150 M NaHSO3 and 50mL of 0.250 M Na2SO3?  What…

A: we have to calculate the pH

Q: What is the pH and pOH of a 28% KH2PO4?

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Q: The pH of dissolving 1.48 g of propanoic acid (CH3CH2COOH, Ka = 1.3X10-5) in 200 mL H20 is %3D О…

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Q: Z is a weak base. An aqueous solution of Naz is prepared by dissolving 0.350 mol of Naz in…

A: Dear student I have given answer to your question in the image format.

Q: What is the pH of 0.0085 M of the strong acid H₂SO4 (Ka2 = 0.012)? 1.90 2.29 1.42 2.42

A: Given,Molarity of H2SO4 = 0.0085 MKa2  of H2SO4 = 0.012

Q: Calculate the percent ionization for bromic acid in a solution that contains 0.00850 M acetic acid…

A: Concentration of acetic acid, HC2H3O2(aq) = 0.00850 M For acetic acid, HC2H3O2(aq), Ka = 1.8×10–5,…

Q: What is the pH of a system that is 0.40 M in NH3 and 0.80 M in NH4Cl? (Kb = 1.8 x10-5 )

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Q: What is the pH of a 0.24 M solution of sodium propionate, NaC3H5O2, (base) at 25°C? (For propionic…

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Q: For the diprotic weak acid H₂A, Kal = 3.2 × 106 and K₁2 = 7.6 × 10⁹. What is the pH of a 0.0800 M…

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Q: a. What is the percent ionization in 0.80 M NH3 (Kb = 1.8 x 10-5)? Percent ionization = % b. What is…

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Q: Calculate the concentrations of ALL the ions present in a 0.0300M solution of carbonic acid (H2CO3…

A: H2CO3 is a weak acid. It is form from the reaction of CO2 with water. Given data:  Ka1 = 4.2×10-7…

Q: What is the pH of a solution that is 0.150 M NH3 and 0.200 M NH4CI? Kb of NH3 = 1.8 x 10-5 O9.26…

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Q: A 0.22 M solution of a weak monoprotic acid, HA, has a pH of 3.28. Calculate Ka for the acid. 1.5 ×…

A: Given, pH = 3.28 Concentration of weak monoprotic acid= 0.22M

Q: What is percent ionization of 0.0065 M chloroacetic acid? K₁ = 1.36 × 10-3 The value of Kw at the…

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Q: The K₂ of a weak acid HA is 3.0 x 106 at 25 °C. What is the percent ionization of this acid in a…

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Q: What is the pH of a solution of 0.400 M CH₃NH₂ containing 0.100 M CH₃NH₃I? (Kb of CH₃NH₂ is 4.4 ×…

A: Concentration of CH3NH2 = 0.400 M Concentration of CH3NH3I =  0.100 M Kb for CH3NH2 = 4.4 × 10-4  pH…

Q: What is the pH of a 0.139 M solution of HF? Ka for Hf is 6.6 x 10-4

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Q: Find the pH and percent ionization of each HF solution (Ka = 6.8 ́ 10-4). In which cases can you not…

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Q: A diprotic base (B) has pK, values of 3.33 (pK5i) and 6.66 (pK2). Which of the equalities is true…

A: Here we have to determine the predominant species of a diprotic base B at different pH. Given pKb1=…

Q: 5. Why are some salts acidic when others are neutral? Curriculum Expectation E2. investigate the…

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Q: At 50°C the value of K w is 5.5 x 1014. A basic solution at 50°C has

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Q: What is the pH of a solution of 0.400 M CH₃NH₂ containing 0.250 M CH₃NH₃I? (Kb of CH₃NH₂ is

A: The question is based on the concept of PH calculations. we have to apply henderson equation to…

Q: For the diprotic weak acid H₂A, K₁1 = 3.5 x 10-6 and K₁2 = 8.3 × 10-⁹. What is the pH of a 0.0500 M…

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Q: HCIO is a weak acid (Ka 4.0 x 10-8) and so the salt NaCIO acts as a weak base. What is the pH of a…

A: Given data; Ka=4×10-8Also, Kw=Ka×KbAnd,Kw=1×10-14 Consider the dissociation of given weak acid as;…

Q: What is the pH of 2*10-3 M Na2HPO4?

A: we need to consider the dissociation of the compound and the equilibrium constants involved. In the…

Q: NHa is a weak base (K = 1.8 × 10) and so the salt NH4CI acts as a weak acid. What is the pH of a…

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Q: NH3 is a weak base (Kp = 1.8 x 10³) and so the salt NHĄCI acts as a weak acid. What is the pH of a…

A: At Temperature 25°C Kb (NH3) = 1.8 × 10-5 [NH4Cl] = 0.028 M

Q: What is the pH of a 0.04 Mof the diprotic acid H2CO3 solution? Kal= 4.3 x 10-7; Ka2 = 4.8 x 10-11.…

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Q: Calculate [OH-] of NaClO, 0.110M; KaHClO = 3.0 x 10-8.

A: Given: Concentration of NaClO is 0.110 M Ka (HClO) is 3.0×10-8 To determine: [OH-]

Q: The concentration of H* (or H3O*) from part A should be 1.02x×10-2 mol L-1. What is the pH of the…

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Q: Part A Find [H3O]* at equilibrium of a 0.110 mol ·L' solution of a weak monoprotic acid (HA) with Ka…

A: (A) Given: The dissociation of HA is written as follows: HA(aq)+H2O(l)------>H3O+(aq) + A-(aq).…

Q: A solution of CgH5N (pyridine, Kp = 1.7 x 10) has a pH of 9.40. What is the [C;H5N]? O 0.37 9.3 x 10…

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Q: What is the pH of a solution that is 0.063 M in HA and also 0.023 Min NaA? (Ka = 4.1 × 10- O. 5.46…

A: Given: The concentration of HA is 0.063 M The concentration of NaA is 0.023 M The Ka value is 4.1 x…

Q: 2. Would you expect a solution of ammonium chloride (NH_CI) to be acidic or basic when added to…

A: 2. Would you expect a solution of ammonium chloride (NH4Cl) to be acidic or basic when added to…

Q: What is the pH of a solution containing a mixture of 0.050 M HC2H3O2 and 0.025 M NaC2H3O2?  (Ka =…

A: Given: [HC2H3O2]=0.050 M [NaC2H3O2]=0.025 M Ka = 1.8 × 10-5 pKa=-log (1.8 × 10-5) pKa=4.745

Q: Fornic acid, HCO2, is the iritant that causes the body's reaction to ant stings. What is the…

A: Concentration of formic acid = 0.53 M  Ka = 1.8 × 10-9

Q: A 0.600 M solution of NaX has a pH of 11.19. Which of the following could be NaX? Weak Acid Ka 4.9 x…

A: The objective of the question is to identify the correct compound NaX, given the pH of a 0.600 M…

Q: What is the pH of a 0.04 Mof the diprotic acid H2CO3 solution? Kai- 4.3 x 10-7; Ka2 = 4.8 x 10-11 O…

A: We are given a 0.04 M diprotic acid and we have to find its pH.

Q: What is the pH of a 0,26 M solution of methylammonium chloride, CH, NH, CI? What is the…

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Q: "Vhen 4.73 g of the weak acid HC6H4CIO is dissolved in 800 mL of olution, he pH is 5.25. What is the…

A: Ka is acid dissociation constant.

Q: What volume of 2.036 mol L-1 solution of LIOH is required to make 7.80 L of a solution with a pH =…

A: Given :-  Initial concentration of LiOH solution = 2.036 mol.L-1  pH of final solution = 12.80…

Q: 3 of 15 If [H] in a solution at SATP is 0.0067 M, [OH]= O 6.7x10 17M O 1.5x10 12M O 2.2 M O 0.0063 M…

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