19.For NaNO3, an aqueous solution will have a pH 1. greater than 7. 2. less than 7. 3. equal to 7.

Q: How many grams of NaNO, is needed to prepare an aqueous solution of 170 mL with a pH of 8.54? (For…

A: Consider the initial concentration of NO2- to be C and the reaction can be depicted as; Here, x=…

Q: Determine the pH of a solution that is 0.0075 M HC₄H₇O₂ and 0.085 M NaC₄H₇O₂. The value of Ka for…

A: Given, the concentration of HC4H7O2 =0.0075 Mconcentration of NaC4H7O2 =0.085 Mthe acid dissociation…

Q: how many moles of ammonium nitrate would be required to prepare .40 L of solution that is ph 5.40

A: NH3         +      HNO3     →       NH4NO3  weak base        strong acid            salt    Salt…

Q: The K, for dihydrogen borate anion (H,Bro,) is 1.72x105. What is the pH of a 0.188 mol L solution of…

A: For salt of weak acid & strong basepH = 12pKw + 12pK + 12logcc = concentrationKa = acid…

Q: Calculate the molar H3O* ion concentration of solution that has a pH of (a) 9.21 (b) 0.45 (c) 7.32…

A: pH: It can be defined by saying the power of hydrogen in any compound. It ranges from 0 to 14. We…

Q: Calculate the pH of a solution when 21.0 mL of 0.050 M hydrazine (N2H2, Kb=8.9E-7) is titrated with…

A: pH of a weak base titration with strong acid can be determine using Henderson hasselbalch equation.

Q: White vinegar has a pH of 2.4 while apple cider has a pH of about 4.25. What is the difference…

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Q: Consider a 0.14 M solution of thriethylamine with a pH of 4.9. Calculate the percentage ionisation…

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Q: The base ethylamine, C2H5NH2 , has a pKb equal to 3.30. Calculate the hydroxide concentration, the…

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Q: Calculate the theoretical pH of each solution. 0.100 M aluminum nitrate Hydrated aluminum ion –…

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Q: Using the systematic approach, calculate for the pH of the following aqueous solutions at 25°C: a.…

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

Q: Determine the pH level of a solution that has 0.05385 M of Pyridine, given that the Kb of pyridine…

A: Given, Concentration of the Pyridine solution (C) = 0.05385 M  Kb for pyridine = 1.620 x 10-6 Note:…

Q: Consider HA (a weak acid) and HB (a weak base). 11) A 0.10 M solution of the weak base D has a pH…

A: Given: pH = 11.45 concentration of weak base = 0.10 M

Q: Nitrous Acid (HNO2) has a Ka value of 5.6x10–4. Calculate the pH of a solution that is 0.00298 M…

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

Q: Find the pH of 0.180 M NACN solution. For HCN, K = 4.9 x 10 10 O 8.57 O 2.72 O 5.03 O 11.28

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Q: Calculate the pH of a solution that is 0.080 M  pyridine (pKb = 5.25) and 0.215 M  pyridinium…

A: A buffer solution is a solution that resists a change in its pH on the addition of a small amount of…

Q: Obtain the pH corresponding to the following hydronium-ion concentrations.   0 x 10-8 M       0…

A: Hydronium-ion concentration can be calculated as-pH=-log[H+]

Q: Calculate the pH of 0.030 M Ba(OH), solution. 12.78 O 1230 O 122 O 12.48 12.16

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Q: a general chemistry student measured the pH of a 0.510 M aqueous solution of nitrous acid to be…

A: Here we are required to find the dissociation constant for weak acid nitrous acid

Q: A 0.233 M solution has a pH equal to 11.2. Find the kb value for the base. B+H20<>BH+OH

A: The value of Kb can be calculated as,

Q: Calculate the pH of each solution. A solution containing 0.0184 M maleic acid and 0.0254 M disodium…

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Q: An environmental concern involves the destructive effects of acid rainfall ever had a pH of 2.4,…

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Q: Phosphoric acid, H3PO4(aq),H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has…

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Q: Consider a 0.15 M solution of thriethylamine with a pH of 5.96. Calculate the percentage ionisation…

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Q: Find the pH of a solution that is 0.25 M in formic acid, and 0.33 M in sodium formate. K, for formic…

A: Given  Ka = 1.7 × 10-4 Concentration of HCOOH = 0.25 M  Concentrate of HCOONa  = 0.33M PH = ? PKa =…

Q: UESTION 7 Determine the hydronium ion concentration for solutions with the following pH values: a.…

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Q: Use the data in Table 15.2 to determine the equilibrium constant for the reaction. HCIO2 (aq) + NO…

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Q: Calculate the pH of a solution that is 0.080 M  pyridine (pKb = 5.25) and 0.285 M  pyridinium…

A: The pH of a solution measures the concentration of hydrogen ions in a solution, which indicates the…

Q: What volume of 0.50 M KOH would be required to neutralize completely 500 mL of 0.25 M H 3 PO 4…

A: Given data contains, Molarity of potassium hydroxide is 0.50 M. Volume of H3PO4 is 500 mL. Molarity…

Q: Briefly explain differences between acidic , neutral and alkaline ph

A: Acids liberates H+ ions in the aqueous solution while Alkalis (or Bases) liberates OH- ions in the…

Q: The pain reliever codeine is a weak base with a Kb equal to 1.6×10–6. What is the pH of a 0.250 M…

A: Let the general formula of the weak base be BOH. It will dissociate as:…

Q: Determine the pH level

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Q: Determine the pH and the type of solution of a 0.227 g/L C5H5N solution at 25°C.  The Kb of C5H5N is…

A: At 25°C Concentration=0.227g/L Kb of C5H5N = 1.7 ×10^-9

Q: 12. A 8.5 L sample of a 0.28 M HNO3 solution is mixed with 1.6 L of a 0.64 M HC1 solution. What is…

A: A multiple choice question based on pH calculation, which is to be accomplished.

Q: 25) Which of the following ions will act as a weak base in water? A) CIO- B) Cl- C) NO3- D) OH- E)…

A: Powerful acids are an acid that dissociates in water almost entirely or almost completely. An acid…

Q: Calculate the hydrogen-ion concentration and the pH of a solution of 0.0001M H2CO3, and also…

A: Reaction:                      H2CO3 -------> 2H+  + CO32-          intial       C…

Q: Calculate the pH of a solution at 25.0 °C that contains 1.94 x 10 -10 M hydronium ions.

A: We have to calculate the pH of solution  that contains 1.94 x 10-10  M hydronium ions.

Q: Nitrous Acid (HNO2) has a Ka value of 5.6x10–4. Calculate the pH of a solution that is 0.00789 M…

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Q: The pH of a solution with a hydronium ion concentration of 2.17 ´ 10–4 mol/L is       4.34   2.31…

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Q: What is the correct order of acidic strength? 42. ОН ОН ОН O2N- -NO2 NO2 NO2 NO2 NO2 I II III a. I>…

A: Phenol is normally due to formation of resonating stable phenoxide ion. It can react with Sodium…

Q: How many moles of (CH3)3N  would need to be added to 459.2 mL of a 0.25 M solution of (CH3)3NHCL  to…

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Q: If the pH of a solution Is 6.7, the [H*]=, 2 x 107 5 x 106 8 x 107 5 x 107

A: we know that pH is defined as the -log[H+] Here pH=6.7

Q: 7. A solution with pH of 9.50 has a pOH of А. 9.50 О В. О.50 Ос. 4.50 D 11 3

A: pH  is a scale used to specify the acidity or basicity of an aqueous solution. Acidic solutions  are…

Q: Atmospheric CO2 levels have risen by nearly 20% over thepast 40 years from 320 ppm to 400 ppm. (a)…

A: (a) Dissociation reaction of H2CO3 is, Concentration of H+ can be calculated as follows:

Q: A solution with a pH of 4.8 would have a hydronium (H3O+) ion concentration of... * O 0.68 M O -0.68…

A: Given   PH     =  4.8  [ H3O+ ]   =  ?

Q: An unknown weak base with a concentration of 0.170 M has a pH of 9.28. What is the Kb of this base?

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Q: What is the pH of a 0.025 mol/L solution of methanoic acid K=1.8x10

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Q: Calculate the pH of a 0.0600 M lactic acid solution.

A: Lactic acid is a weak acid so we must used the ICE table. Given, Lactic acid concentration is…

Environmental Pollution

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