Explain how many grams of kcn will be needed to make ph

Assignment Help Chemistry
Reference no: EM13342547

How many grams of KCN will be needed to make 817 mL of pH = 11.836 solution when added to distilled water (Ka HCN= 6.2x10-10)

Reference no: EM13342547

Questions Cloud

Explain what is the enthalpy of solution for lii : The enthalpy of hydration associated with anhydrous LiI forming LiI?2H2O is -45.53 kJ/mol. The enthalpy of solution for LiI?2H2O is -14.77 kJ/mol. What is the enthalpy of solution for LiI
Design of ethics program : Design of Ethics Program
Explain acid-base reaction is performed in a constant : The following acid-base reaction is performed in a constant pressure calorimeter. H+ (aq) + OH-(aq) ? H2O (l) ?H=-57. 32 kJ/mol The temperature of 1000.0 g of water rises from an initial temperature of 24.5 °C
How much income did puerto have to include in its u.s. tax : Puerto International has a branch in Mexico that manufactures a garage door alarm for people with mountain bike racks that fit on the top of their cars. The subsidiary earned $800,000 in 2000 before tax, with Mexican corporate tax rates at 40 ..
Explain how many grams of kcn will be needed to make ph : How many grams of KCN will be needed to make 817 mL of pH = 11.836 solution when added to distilled water (Ka HCN= 6.2x10-10)
Find to what height does the package of mass rebound : A package of mass m is released from rest at a warehouse loading dock and slides down a 3.0-m-highfrictionless chute to a waiting truck. To what height does the package of mass m rebound
Accrual and cash basis revenue : Accrual and Cash Basis Revenue
Explain what are the equilibrium concentrations of nh2oh : What are the equilibrium concentrations of NH2OH (hydroxylamine), NH3OH+, and OH- in a 0.15 M solution of hydroxylamine (Kb=6.6*10^-9)? What is the pH of the solution
What types of loss prevention training programs can auditors : What types of Loss Prevention Training Programs can auditors recommend to build employee awareness?

Reviews

Write a Review

 

Chemistry Questions & Answers

  Explain the new molecular orbitals benefit

The four molecular p orbitals of the four carbon atoms can be lined up parallel in order to create four new molecular orbitals. The electrons in the new molecular orbitals benefit because they are not confined to just one atom.

  Explain an essential amino acid

Determine whether each of the examples or phrases describes an essential amino acid, a nonessential amino acid, or both essential and nonessential amino acids. A table of amino acids can be found here.

  Calculate q and w

Constant external pressure of3.00 atm, followed by2) against a constant external pressure of 2.00 atm. Calculate q and w. (101.33 J = 1 L atm)

  What volume of base is required to reach equivalence point

Construct a rough plot of pH versus volume of added base for the titration of 50 mL of 0.050 M HCN with 0.075 M NaOH. Ka = 4.0*10^-10 for HCN (a) What is the pH before any NaOH is added? pH = 5.36 (b) What volume of base, in milliliters, is requir..

  Determine the mass of the steel bar

Determine the mass of the steel bar If the final temperature of the system reached to 21.0 degree celsius?

  Explain the second order and third order rate constants

What are the units of the second order and third order rate constants for rate laws expressed in pressures in Pascals and concentration in molecules per cubic meter

  A certain temperature the solubility of strontium arsenate

At a certain temperature, the solubility of strontium arsenate, Sr3(AsO4)2, is 0.0690 g/L. What is the Ksp of this salt at this temperature

  Briefly describe how a lake with a limestone bed

Briefly explain how a lake with a limestone bed is more resistant to pH changes than a lake with a granite bed

  How many liters of h_2 would be formed

How many liters of H_2 would be formed at 704 mm Hg and 14 degrees C if 21.5 g of zinc was allowed to react?

  Explain the total pressure in the new container

A quantity of N2 gas originally held at 5.21atm pressure in a 1.00-L container at 26 deg C is transferred to a 12.5-L container at 20 deg C. A quantity of O2 gas originally at 5.21atm and 26 deg C in a 5.20-L container is transferred to this same ..

  Explain aqueous potassium chloride

Conductivities are often measured by comparing the resistance of a cell filled with the sample to its resistance when filled with some standard solution, such as aqueous potassium chloride. The conductivity of water is 76 mS m^?1 at 25°C

  Determine the root-mean-square speed of co2

Determine the root-mean-square speed of CO2 molecules that have an average kinetic energy of 4.21*10^(-21) J per molecule.

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