Sodium fluoride should be added to prepare buffer solution

Assignment Help Chemistry
Reference no: EM13170771

You are asked to prepare a pH=3.00 buffer solution from 1.25L of a 1.00M Solution of Hydrofluoric Acid (HF) and an excess of sodium fluoride (NaF).

Part A

What is the pH of the Hydrofluoric Acid (HF) solution prior to adding sodium fluoride?

Part B

How many grams of sodium fluoride should be added to prepare the buffer solution? Neglect the small volume chane that occurs when the sodium fluoride is added.

Reference no: EM13170771

Questions Cloud

Compute the solubility from ksp and vice versa : To learn how to calculate the solubility from Ksp and vice versa. Consider the following equilibrium between a solid salt and its dissolved form (ions) in a saturated solution:
What is the number of moles of air : At 0.0oC, if the volume of air is 3.3 mL and the pressure of the atmosphere that day is 835 mmHg, what is the number of moles of air?
What is the likely molecular formula of this compound : A sample of a new compound is burned in an excess of air to produced CO2 and H2O. If 0.468 g of the sample produce 0.458 g of CO2 and 0.094 g of H2O and the molar mass is about 230, what is the likely molecular formula of this compound?
Calculate the partial pressure of each gas in the container : Three gases (8.00 g of methane, CH4, 18.0 g of ethane, C2H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. At 23.0 deg C , the total pressure in the container is 3.60 atm. Calculate the partial pressure of each g..
Sodium fluoride should be added to prepare buffer solution : How many grams of sodium fluoride should be added to prepare the buffer solution? Neglect the small volume chane that occurs when the sodium fluoride is added.
Model of federalism : What model of federalism is the best model to address current issues facing localities, states, and the national government?
Explain salycic acid with an excess of acetic anhydride : reacting 5g of salycic acid with an excess of acetic anhydride
Educational goals and instructional methods : How do the educational goals and instructional methods for children with low vision differ from those from children who are blind?
Buffer solution from a solution of hydrochloric acid : buffer solution from a solution of 0.200-M aniline, C6H5NH2, a weak base, and a solution of 0.100-M hydrochloric acid. take the pKa of aniline to be 9.13.

Reviews

Write a Review

Chemistry Questions & Answers

  How many moles of fertilizer will be produced

ammonium hydrogen phosphate is made from reacting phosphoric acid with ammonia. if 10.00g of ammonia react, how many moles of fertilizer will be produced?

  Explain what is the largest molecular mass that is capable

How does the answer for part (a) change if the gas of interest is He? c) What is the largest molecular mass that is capable of escaping Earth's surface at 298 K?

  At what ph will mg2+ be precipitated

The concentration of Mg2+ in seawater is 0.052 M. At what pH will 74% of the Mg2+ be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9* 10-12.]

  Compute how many liters of seawater are needed

calculate how many liters of seawater are needed to produce 79.1 L of fresh water at 20 °C with an applied pressure of 50.0 bar.

  How many grams of ag2s can be generated

How many grams of Ag2S can be generated from a mixture of 1.85 g Na2S and 3.58 g of AgNO3 given the following unbalanced reaction:

  Calculate the molarity of the ethylene glycol

An aqueous antifreeze solution is 35.0% ethylene glycol (C2H6O2) by mass.

  Find the solution to physical chemistry

The solution to physical chemistry, A laser used to read CDs emits red light of wavelength 700 nm. How many photons does the laser emit per second

  Calculate the amount of hcn formed

If a sample of 0.230 grams of KCN is treated with an excess of HCL, calculate the amount of HCN formed, in grams.

  Calculate the volume

Calculate the volume in milliliters of a 0.30 M acetic acid solution that contains 0.0142 mol HC2H3O2.

  State using the average bond dissociation enthalpies

Using the average bond dissociation enthalpies(BE) given, estimate the standard molar heat of reaction of the gas-phase reaction of hydrogen peroxide with methanol to yield formaldehyde and water:

  Depicts the molecule by placing atoms on the grid

Draw the molecule by placing atoms on the grid and connecting them with bonds

  Explain organic product obtained is ethyl iodide

When ethyl ether is heated with excess HI for several hours, the only organic product obtained is ethyl iodide

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