Calculate the ph of a buffer made by dissolving sodium

Assignment Help Chemistry
Reference no: EM13713992

Question- Calculate the pH of a buffer made by dissolving 0.20 mole sodium cyanate and 1.0 mole cyanic acid in water to make 1.0 L of solution. Ka of cyanic acid = 2.0 x 10-4

Using textbook reference solve the reactions given in above problem

Reference no: EM13713992

Questions Cloud

Explain the implications of freedom with fences concept : Reflect upon Robert Stephens' discussion of "Freedom with Fences" from Chapter 1 of CIO Best Practices. Discuss the implications of this concept on the CIO, the IT organization
State the name of the major organic product : Name the major organic product when the given alkyl bromide is treated with sodium azide followed by LAD (LiAlD4 and then D2O workup).
Calculate the maximum volume of hcl : Suppose that you have 135 mL of a buffer that is 0.200 M in both hydrofluoric acid (HF) and its conjugate base (F-). Calculate the maximum volume of 0.370 M HCl that can be added to the buffer before its buffering capacity is lost.
The combustion of gaseous hydrogen and gaseous oxygen : How much heat is evolved when 100.0 g of liquid water is formed from the combustion of gaseous hydrogen and gaseous oxygen. DHof (H2O liq) = -285.8 kJ
Calculate the ph of a buffer made by dissolving sodium : Calculate the pH of a buffer made by dissolving 0.20 mole sodium cyanate and 1.0 mole cyanic acid in water to make 1.0 L of solution. Ka of cyanic acid = 2.0 x 10-4
What are ms. esposito''s real and potential health risks : What additional information and/or questions would you like to gather from Ms. Esposito. What are Ms. Esposito's real and potential health risks
Calculate the activation energy for the reaction : Question- A certain reaction follows first-order kinetics. The rate constant at 700 K is 6.20 x 10-4 min-1. The half-life at 760 K is 29.0 min. Calculate the activation energy for this reaction. (R = 8.314 J/mol K)
Prevent and detect the frauds : Financial Statement Fraud Motivators: Just a few paragraphs. Just a discussion.There are many situations that may motivate managers to commit financial statement fraud.
Determine the percentage of ca in the original sample : It was found that 0.694 grams of KMnO4 (mol wt = 158.0) were required to react completely with the solution. Determine the percentage of Ca (at wt = 40.1) in the original sample.

Reviews

Write a Review

Chemistry Questions & Answers

  Define the calculated boiling point of water in breckenridge

The calculated boiling point of water in Breckenridge is 363K. What pressure would have to applied to steam at 391°C to condense the steam to liquid water

  Explain and predict the hydration product of limonene

predict the hydration product of limonene if two molecules of water are added to a limonene molecule. 2. draw the expanded structure of D-limonene and circle the two isoprene units in limonene.

  Calculate the ph of a solution

A buffer is prepared by mixing 615 mL of 0.50 M formic acid, HCHO2, and 385 mL of 0.50 M sodium formate, NaCHO2. Calculate the pH.

  Calculate the volume of sodium hydroxide solution

Calculate the volume of 0.540 M sodium hydroxide solution contains 11.5 grams of sodium hydroxide?

  State a sulfur atom in the side-chain

acids how many have (i) more than one chiral center, (ii) an acidic side-chain, (iii) a sulfur atom in the side-chain?

  Hydrogen and oxygen gas combine explosively to produce

hydrogen and oxygen gas combine explosively to produce water. write a balanced chemical equation for this process. if

  Explain generated from t-butanol in the presence of h2so4

Not all Friedel-Crafts reacts require a strong Lewis acid catalysts to generate the electrophile for the substitution reaction. Show, using curved arrows, how the electrophile is generated from t-butanol in the presence of H2SO4

  Define the molar mass for nacl and water

The molar mass for NaCl and water are 58.443 g/mol and 18.015 g/mol, respectively. Calculate the partial molar volumes for NaCl and water in a 0.35m solution

  Explain chymotrypsin combine different modes of catalysis

Explain how chymotrypsin combine different modes of catalysis( acid/base and covalent chemistry; proximity effects and transition state binding/stabalization) to acheive the rate enhancement observed for enzyme catalyzed reactions.

  Calculate the minimum concentration of cr3 that must be

calculate the minimum concentration of cr3 that must be added to 0.095 m naf in order to initiate a precipitate of

  What percent of the atoms remain

The half-life of a certain radioactive element is 1,250 years. What percent of the atoms remain after 7,500 years?

  According to the collision theory and model created to

question 1 on a potential energy diagram what is true about activation energy?activation energy is the same for both

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd