Define what mass of solid sodium fluoride

Assignment Help Chemistry
Reference no: EM13235109

What mass of solid sodium fluoride (molar mass = 41.99 g/mol) should be added to 1.0 L of 0.23M hydrofluoric acid to make a buffer with a pH of 2.94? (Ka of HF = 1.36 x 10-3)

Reference no: EM13235109

Questions Cloud

Explain what is the molar solubility of lead chloride : What is the molar solubility of lead(II) chloride in a solution that also contains 0.15 M Cl- ions at 25 °C? The Ksp of PbCl2 is 1.6 × 10-5.
Design a case structure that tests the month variable : Design a case structure that tests the month variable and does the following
What alterations might have to be made to the product : Martha Stewart Living Omnimedia and Hain Celestial Group have hired you to develop a marketing plan for the purpose of expanding the distribution of their "Martha Stewart Clean" line of eco-friendly cleaning products to the regions of Asia
What is the percent error : A disk of radius 3.00 cm has a uniformly distributed charge of Q = 5.20 uC, Calculate the electric field on the perpendicular axis of disk
Define what mass of solid sodium fluoride : What mass of solid sodium fluoride (molar mass = 41.99 g/mol) should be added to 1.0 L of 0.23M hydrofluoric acid to make a buffer with a pH of 2.94? (Ka of HF = 1.36 x 10-3)
What is joshs bonus if the companys marr is given : Josh Ritchey has just been hired as a cost engineer by a large airlines company. Josh's first idea is to quit giving complimentary cocktails, wine, and beer to the international flying public. He calculates this will save 5,000,000 drinks
Define what is the ph of a solution made : What is the pH of a solution made by adding 8.80 grams of Sodium Acetate to 450mL of .105 M hydrochloric acid?(Assume no change in volume takes place)
Define what mass of solid sodium hypochlorite : What mass of solid sodium hypochlorite (molar mass = 74.44 g/mol) should be added to 1.0 L of 0.255M hypochlorous acid to make a buffer with a pH of 7.54? (Ka of HClO = 3.8 x 10-8)
Explain what is maxs most profitable course of action : Max Whitley, manager of Whitley Construction, builds new homes in a booming community in the Midwest. Although the sales have slowed down because of a national recession, it now looks as if the recession is about to end.

Reviews

Write a Review

Chemistry Questions & Answers

  Which compound will begin to precipitate first

Solid NaI is slowly added to the solution that is 0.010 M in Cu and 0.010 in Ag a) which compound will begin to precipitate first? b) calculate Ag when CuI just begins to precipitate? c) what precipitate of Ag remains in the solution at this point..

  Drawing as well naming structures iupac names

Drawing and naming structures; IUPAC names, Give the structure or structures and the IUPAC names of the alkenes formed from the dehydrohalogenation of the following compounds with a strong base

  Solve an equilibrium problem -calculate the ph of a solution

Solve an equilibrium problem (using an ICE table) to calculate the pH of a solution that is 0.185 M in HC2H3O2 and 0.120 M in KC2H3O2

  What is the molarity of the solution with respect to nacl

How much of a 12.0 M HNO3 solution should you use to make 850.0 ml of a 0.250M HNO3 soution? C) How much of a 5.0 M sucrose solution should you use to make 85.0 ml of a 0.040 M solution?

  Elemental analysis of the solid suggested the composition

Elemental analysis of the solid suggested the composition C9H10O3. The solid melted at 117 °C and gave the following nmr spectra and the ir spectrum. What is this material and why and how did it come to be in both of these sources?

  Compute the heat released in the reaction

Calculate the heat released (kJ) in the reaction of 2.20 g of sulfur dioxide gas and excess oxygen gas to form sulfur trioxide gas

  Find out the number of moles of hcl

10g of CaCO3 are treated with a solution of HCl and 1.12 litre of CO2 are produced at STP . find out the number of moles of HCl in the solution

  Explain purity of the para-nitrobenzoic acid

Suppose you had standard .1000 M NaOH ,an indicator, such as phenolphthalein, an analytical balance, and a micro-buret available. Explain how you could determine

  Arrange the following in increasing order of mass

arrange the following in increasing order of mass.

  Compute the wavelength and frequency of an emitted

Calculate the wavelength and frequency of an emitted gamma particle having the energy of 1.29x 10^11 J mol. Enter in scientiic notation.

  Explain an electrochemical cell

Describe an electrochemical cell for which the following are the cell reactions. (A cell description includes the physical description of the anode and anode compartment with dissolved species,

  Determine the uncertainty in position

An electron traveling at the velocity of 3.7 105 m/sec has an uncertainty in its velocity of 2.34 105 m/s. determine the uncertainty in its position?

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