Salt bridge A concentration cell similar to the one shown is composed of two Ni electrodes and solutions of different Ni2+ concentrations. The left compartment contains 0.388 M Ni2+ , and the right compartment contains 1.32 M Ni2+ . Calculate the cell potential for this reaction at 298 K. volts In this nickel concentration cell, the compartment on the left is the and the compartment on the right is the

Q: What is the pOH of a 0.20 M NH4C1 solution ? Kp for NH3 is 1.8 × 10-5. 11.28 2.72 9.02 4.98

A: Answer: NH4Cl is the salt of weak base and strong acid, therefore in the solution hydrolysis of NH4+...

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A: The solution is as follows:  

Q: Find the Ka of a weak acid ( HA ) that has a concentration of 0.020 M. The pH is 2.74.

A:   Weak acid  [H+] and Ka are related as  [H+] = ( Ka x C)1/2 Where C = concentration of acid = 0.02 ...

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A: The correct answer about hyphen notations are given below

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A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please re...

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

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A: C-5 epimer of D-idose means there is only change in configuration at fifth position of carbon and th...

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A: Dear student, Since you have posted multiple questions, the answer for first question is given below...

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A: The order of increasing vapor pressure will be - - > Ar < H2Se < H2O < NaClO3  

Q: Calculate the pH of the solution that results when 8.30 ml of  0.250M KOH is added to  35.0 mL of 0....

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Q: What is the pH of a solution prepared by mixing 15.0 mL of 0.24 M KOH and 25.0 mL of 0.24 M of hypoc...

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A: Given -> pH = 7.90  

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Q: Find the H30* in a Sauvignon Blanc with a pH of 3.25. ? .... [H3 O]+ = M Submit Request Answer

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Q: The equation 96 250Cm-?+ Sr+4n is correctly completed as 96 250Cm→ 14Ce+ 2Sr+4{n. A) True B) False

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Q: A weak acid has a Ka of 2.5×10^-5.  What is the Kb of its conjugate base?  Which is stronger, the ac...

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A: Note: As per company policy we are supposed to attempt first three MCQs only. Please repost other qu...

Q: Consider the following equation 2H2 (g) + 2NO (g) → 2H2O (g) + N2 (g) which has the rate law  Rate =...

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A: The Compounds which follows Huckel rule are called as the aromatic compounds.  Huckel rule is 4n+2=π...

Q: A 0.164 M weak acid solution has a pH of 2.92. Find K, for the acid.

A: Given :- initial concentration of weak acid = 0.164 M  pH = 2.92  To calculate :-  value of Ka