Compute the ph of the solution

Assignment Help Chemistry
Reference no: EM13685793

An aqueous solution is made by adding 50mL of 4.0 M NaCN to 30mL of 5.0 M HCN. Compute the pH of the solution.

Reference no: EM13685793

Questions Cloud

What are the four major costs : What are the four major costs?
Compute the eq constant for fescn2+ : The eq molar concentration of the FeSCN2+ is found spetrophotometrically and is 7.00*10-4 M. Compute the eq constant for FeSCN2+.
What time range category does sales and operations planning : Major operations and supply planning activities can be grouped into categories based on the relevant time range of the activity into what time range category does sales and operations planning fit?
Distinguish between pure and mixed strategies : Distinguish between pure and mixed strategies in production planning.
Compute the ph of the solution : An aqueous solution is made by adding 50mL of 4.0 M NaCN to 30mL of 5.0 M HCN. Compute the pH of the solution.
Obtain the height of the portion of the raft : A large rectangular raft (density 408 kg/m3) is floating on a lake. The surface area of the top of the raft is 7.4 m2 and its volume is 2.44 m3. Obtain the height of the portion of the raft that is above the surrounding water
List at least three of the four costs relevant : List at least three of the four costs relevant to the aggregate production plan.
Compute the pressure in the vessel and volume : Compute the pressure in the vessel as well as the composition and volume of each phase present. State all assumptions.
Find how close was kim to the president : Kim says that she was less than 10 feet away from the president when she took a picture of him with her 52 millimeter focal length camera lens. Find how close was Kim to the president when she took the picture

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the weighted average atomic mass for the element

The average atomic mass recorded on the periodic table for cobalt is 58.933 u. This indicates that the most abundant isotope of cobalt is. A newly discovered element, X, has two naturally occurring isotopes. 93.5 percent of the sample is an isotop..

  Explain what is the minimum number of conversions

What is the minimum number of conversions that need to be done across a peak to achieve a reproducibility (relative standard deviation) of less than 1% for repeated measurements of the same peak

  Explain average molar bond enthalpies

Use the molar bond enthalpy data in the table to estimate the value of change in H rxn for the equation: CCl4(g) + 2F2(g) yields CF4(g)+ 2Cl2(g). Average Molar bond enthalpies

  Define the best set of changes to apply in order to increase

For the endothermic equilibrium CaCO3(s) + NH4+(aq) + SO42+(aq) -> CaSO4(s) + NH3(g) + HCO3-(aq), explain the best set of changes to apply in order to increase product yield effectively.

  Compute the pressure exerted by ar for a molar volume

Calculate the pressure exerted by Ar for a molar volume of 1.04L/mol at 475K (a) the ideal gas law and (b)using the van der Waals equation of state. The van der Waals parameters a and b for Ar are 1.355 bar dm^6/mol^2 and 0.0320 dm^3/mol, respecti..

  What is the energy uncertainty associated with a short pulse

what is the energy uncertainty associated with a short pulse of laser light that lasts 4.8fs

  State a compound was analyzed and found to contain

A compound was analyzed and found to contain 40.00% carbon, 6.72% hydrogren, and 53.25% oxygen with a molar mass of 180.0 grams.

  Explain types of intermolecular forces

What types of intermolecular forces would you expect to exist among molecules of 1-butanol? (Select all that apply.)

  Explain the entropy increase after mixing 2 moles of oxygen

The entropy increase after mixing 2 moles of oxygen 1 mole of nitrogen, which were prepared at the same pressure and temperature, is (in J/K). (Pretend oxygen and nitrogen are ideal gases)

  Compute the equilibrium partial pressure for the reactant

For the reaction PCl5-> PCl3+Cl2 kp= 26.03 at 800K. calculate the equilibrium partial pressure for the reactant and product if the initial pressures are PPCl5= .54 atm and PPCl3= .37 atm.

  Predict the coordination number in a nis crystal

Predict the coordination number in a NiS crystal. The ionic radii for Ni+2 and S-2 are 0.069 and 0.184nm, respectively.

  Determine the mass of ethyl butanoate produced

C2H5OH(l) + C3H7COOH(l) C3H7COOC2H5(l) + H2O(l) Determine the mass of ethyl butanoate produced if 3.30 mol of ethanol is used.

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