Explain what is the change in ph on addition

Assignment Help Chemistry
Reference no: EM13665003

Compute the pH of 0.100L of a buffer solution that is 0.25M in HF and .50M in NaF. Explain what is the change in pH on addition of the following?

a. 0.002 mol of HN03

b. 0.004 mol of KOH

Reference no: EM13665003

Questions Cloud

Find out the percent yield of na3c6h5o7 : 3NaHCO3 + H3C6H5O7 > 3CO2 + 3H2O + NaC6H5O7, Find out the percent yield of Na3C6H5O7 if 2.50 g are produced.
Compute the equilibrium constant kc : If a 2.490 mol quantity of NOCL was primarily placed in a 1.450 L reaction chamber at 400 C. After equilibrium was established it was found that 25.10 percent of the NOCL had dissociated. Compute the equilibrium constant Kc.
Compute the pressure of h2o at equilibrium in the reaction : Compute the pressure (in atm) of H2O(g) at equilibrium in the reaction vessel at temperature T if the initial pressures of H2O(g) as well as Cl2O(g) are both equal to 2.8x10-1 atm.
Depict lewis dot structures resonance structures : Explain which of the following species exhibits resonance? Depict Lewis dot structures/resonance structures for each answer choice as work as well as explain why you did what.
Explain what is the change in ph on addition : Compute the pH of 0.100L of a buffer solution that is 0.25M in HF and .50M in NaF. Explain what is the change in pH on addition of the following
Explain what is the formal charge on carbon in bicarbonate : Explain what is the formal charge on carbon in the bicarbonate ion (HOCO2). Depict Lewis structure and show calculation work. It would be extremely appreciated if Lewis structure was drawn
Compute the theoretical yield of the salt produced : 36.45mL of 0.11 M hydrochloric acid were added to 36.45mL of 0.098 M aqueous barium hydroxide. Compute the theoretical yield of the salt produced.
Find out the number of grams of na2so4 that can be prepared : Find out the number of grams of Na2SO4 that can be prepared by the reaction of 7.44g of NaOH with sufficient H2.
Compute the density in g l-1 of the mixture in the flask : Explain a rigid 8.20 L flask contains a mixture of 2.50 moles of H2, 0.500moles of O2 and sufficient Ar thus that the partial mixture of Ar in the flask is 2.00 atm. The temperature is 127 degrees Celcius.

Reviews

Write a Review

Chemistry Questions & Answers

  How many grams of copper would have to be added

An alloy, initially weighing 50 grams, contains 90 atomic% silver and 10 atomic% copper. How many grams of copper would have to be added to make the alloy 12 atomic% copper?

  Explain metal m can readily form the m+ cation

Consider a metal atom, which we will give the symbol M. Metal M can readily form the M+ cation. If the sphere on the left below represents the metal atom M, which of the other three spheres would probably represent the M+ cation? Explain your choi..

  A ground state h-atom absorbs a photon of wavelength 8410

a ground state h-atom absorbs a photon of wavelength 84.10 nm andits electron attains a higher energy level. the atom

  What mass of naoh is needed

A 58.0 mL solution of 0.500 M Cd(NO3)2 is prepared. What mass of NaOH is needed to precipitate the Cd2+ ions from this solution?

  How many moles of hydrogen ions were converted to water

how many moles of hydrogen ions were converted to water when 85. ml of 1.0 M hydrochloric acid were neutralized by sodium hydroxide.

  Compute the potential delivered by a voltaic cell operating

Calculate the potential delivered by a voltaic cell operating by the following reaction if all of the dissolved species have a concentration of 0.035 and the pressure of H2 (g) is 1.00 atm.

  A dilute electrolyte solution is prepared by dissolving iron

A dilute electrolyte solution is prepared by dissolving iron(lll) chloride in water. It is found to have a freezing point of-1.00C.

  A solution of ethanol c2h5oh in water is prepared by

a solution of ethanol c2h5oh in water is prepared by dissolving 76.5 ml of ethanol density 0.79 gcm3 in enough water

  Explain one of the first steps in the enrichment of uranium

One of the first steps in the enrichment of uranium for use in nuclear power plants involves a displacement reaction between and aqueous HF.

  What is the molarity of the hno3 solution

A 65.00 mL sample of HNO3 solution is neutralized by exactly 34.16 mL of 0.5841 M Ba(OH)2. What is the molarity of the HNO3 solution?

  Explain flask containing a mixture of a and b at equilibrium

flask containing a mixture of A and B at equilibrium was discovered, and the concentration of A at room temperature was determined experimentally to be 3.1 x 10^-2 mol/L. What is the concentration of B

  The volume of sea water displaced by the plastic block is

a rectangular block of plastic measuring 1.34 cm by 2.27 cm by 1.39 cm floats in the middle of the pacific ocean. the

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