Write a Nernst Equation for : 6Fe2+ (aq)  +  Cr2O7 2- (aq) + 14 H+ (aq) --à 2 Cr3+(aq)  + 7H2O(l)  + 6Fe3+(aq)

Q: question 5, am i on the right track?

A: We have to write  the balanced chemical equation for a reaction  between aluminum ammonium sulfate…

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Q: What is AG° for the following reaction? 21 (aq) + Cl2(g) L(s) + 2C1¯(aq) -

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Q: sodium hypochlorite (NaOCl) was dissolved in a solution buffered to pH = 6.20 . find the ratio…

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Q: Calculate the pH of the solution after the addition of each of the given amounts of 0.0597 M HNO, to…

A: Since we only answer up to 3 sub parts, we'll answer the first three. Please resubmit the question…

Q: . Give complete chemical equations of the following reactions a. Oxalic acid + Sodium hydroxide > b.…

A: A chemical reaction mechanism represents the way to form and break the chemical bonds between…

Q: What is the pH of 3 22e-3 M HCIO3?

A:

Q: In an acidic solution with a pH of 3.4, 78% of the acid is ionized. What is the pKa of the acid?

A: pH is defined as negative logarithm of hydrogen ions present in the solution.

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Q: What molar ratio of H,PO, to H, PO, in solution would produce a pH of 7.07 Phosphoric acid (H»PO,),…

A: Henderson-Hasselbalch equation Equation, which is used to calculate the pH of a solution is called…

Q: Ihe acid ionization constant for Cu(H20)62+(aq) is 1.0x10-7. Calculate the pH of a 0.0410 M solution…

A: Answer:- Determined the pH of a 0.0410 M solution of cu(NO3)2 by using equilibrium expression.  Here…

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Q: John made a buffer solution A at pH =8, and pKa = 9.

A: Given: Buffer solution A have pH= 8 pKa = 9 To determine: The buffer solution A have more buffer…

Q: . Calculate the pH of a 0.0368 M aqueous solution of nitrous acid (HNO2, Ka = 4.5×10-4).

A: HNO2 is a weak acid and does not undergo complete dissociation in solution.

Q: 18. Calculate the pH of the solution formed when 12.0g of sodium fluoride (0.286mol) (NaF, FW- 41.99…

A: For a buffer- pH = pKa + log[Base][Acid]   Now, pKa = - log Ka = 3.19 [Acid] = 0.5 M [Base] = 0.286…

Q: Estimate the fractional composition of EDTA at pH=10.36.

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Q: It is a highly corrosive alkali which is used for cleaning, unblocking sinks, drains and toilets.…

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Q: 120 mg of codeine hydrochloride (CodHCl) is dissolved in 10.0 mL of water.  Calculate the expected…

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Q: The base ephedrine has a pKa value of 9.6. Calculate the theoretical end point pH when a 0.1 M…

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Q: What is the pOH of 0.92 M RBCI04?

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Q: Calculate the pH of the solution after the addition of each of the given amounts of 0.0554 M HNO3 to…

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

Q: Complete the following reaction between an active metal and a strong acid: Be sure to balance your…

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Q: 07. What is the Ka value for nitrous acid.

A: ⊙HNO2 (aq) + H2O (l) ⇌ H3O+ (aq) +NO2- (aq)pH = -logH3O+orH3O+ = 10-pH = 10-2.07 = 0.00851 M or 8.51…

Q: calculate the ph and poh of a solution that is 0.18 M in HC2H3O2 and .43 M in Mg(C2A3O2)2 where the…

A: pH of a solution is defined as the negative logarithm of concentration of H3O+ ion. Again pH + pOH =…

Q: GROUP II FLOW CHART Al", Cr". Fe". Mn", Ni", Co" colorless, purple, yellow, pale pink, green, pink…

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Q: Calculate the pH of 0.0154 M NaN3 Given: Ka of HN3 = 1.9 x 10-5

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Q: ns first in acidic media then add and form H₂O.) 2- Cro4² (aq) + (aq) Cr³+ (aq) + 103 (aq) Cr³+ (aq)…

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Q: Chemical Equation: Give the balanced chemical equation for each of the following reactions.…

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Q: What is the pH of a solution of 0.06 M of H2CO3, pKa1 = 6.4 and pKa2= 10.3?

A: We will calculate pH

Q: Phosphoric acid (H₃PO₄) is a triprotic acid with pKa values of 2.12, 7.21, and 12.32. It is a useful…

A: Buffer solution is one that resists change in pH. H3PO4 is triprotic acid, so, it has three pKa…

Q: MCQ 12: The silver ions Ag* act as A. reducing agent B. oxidizing agent C. catalyst D. none of above

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Q: Write a balanced chemical equation for the reaction occurring when CH3CH2COOH is added to water.…

A: Write a balanced chemical equation for the reaction occurring when CH3CH2COOH is added to water.…

Q: A physician wishes to prepare a buffer solution at pH = 3.82 that efficiently resists changes in pH…

A: Given, that a physician wishes to prepare a buffer solution at pH=3.82 that efficiently resists…

Q: Question 4 If the pka for HOCI is 7.53, so the ratio of [Oa1/[HOCI) requires to prepare a buffer…

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

Q: Calculate the concentration of H2SO3 in a 0.510 MM solution of H2SO3 Ka1=1.6×10−2 and Ka2=6.4×10−8).

A: NOTE: In question, you have mentioned 0.510 MM instead of 0.510 M. Hence I'm correcting it and…

Q: NOH2PO4 and Na2HPO4 For what ratio between the concentrations of the two substances above would the…

A: The given buffer solution is a mixture of weak acid  NaH2PO4 and conjugate base Na2HPO4 . The pH of…

Q: For H2CO3, pKa1-6.35 and pKa2=10.33. If the pH of an aqueous solution initially containing 0.10 M…

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Q: Calculate the pH of a 0.91 M solution of morpholine at 25 °C. Ro

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Q: Phosphate is a tribasic ion with pKa values of 2.14, 6.86, and 12.4. Write the formula for the…

A: Given: pKa values of phosphoric acid are 2.14, 6.86, and 12.4. And the pH of the solution = 7.6

Q: what evidence is there that the copper reduced silver ions? 2. Silver nitrate and copper 1Cu(s) +…

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Q: Use the literature value of Keq = 130 to answer this question. A solution is prepared by combining…

A: (a)   Millimoles of Fe(NO3)3  =Molar concentration of Fe(NO3)3×Volume of Fe(NO3)3  =0.0500 M×4.00…

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Q: Iodine (I,) reacts with thiosulfate (S,0;-). 2 S,03 (aq) + L, (aq) =21-(aq) + S,0 (aq) If the…

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Q: Phosphoric acid (H₃PO₄) is a triprotic acid with pKa values of 2.12, 7.21, and 12.32. It is a useful…

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

Q: You will have to determine the equilibrium constant for the reaction between aqueous iron(III) ion…

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Q: The pKa of HClO2 is 7.6. Calculate the pH of a 0.50 M solution of HClO2

A: we need to find out the pH of 0.50 M of HClO2 solution. HClO2 + H2O → ClO2- + H3O+

Q: The pka of a particular weak acid is 4.85. What is the pH of the weak acid solution when exactly…

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Q: What weight of Na2HPO4 and H2PO4 would be required to prepare 200mL of a buffer solution of pH 7.40…

A: Given data,   Na2HPO4 and H2PO4  prepared 200mL of a buffer solution of pH 7.40  Ionic strength =…