Caf2 is utilized as fluoridation in municipal water system

Assignment Help Chemistry
Reference no: EM13659031

CaF2 is utilized as fluoridation in municipal water system. Compute the solubility of CaF2 in hard water in which the [Ca2+] is 0.050M given Ksp = 4.0x10-11.

Reference no: EM13659031

Questions Cloud

How can management and employees use statistical process : How can management and employees use statistical process control, statistical quality control, inspection, and quality circles to improve a firm's products?
Explain what is the heat released during reaction : Explain what is the heat released during reaction. Also what is the enthalpy of neutralization. Does doubling the volumes of acid and base double the amount of heat. Does doubling the concentration of acid base double the amount of heat released
Compute delta h of vaporization and sublimation : The vapor pressures of liquid chlorine are 27.6 torr at -90 Celsius and 58.7 torr at -80 Celsius. Compute delta H of vaporization, sublimation, and fusion and the temperature as well as pressure at the triple point.
If correct calculations find whether or not agcl precipitate : 300.0 mL of 2.0 x10-5M AgNO3 are added to 200.0 mL of 2.5 x10^-9M Nacl. By means of the correct calculations find out whether or not Agcl will precipitate. Ksp of AgCl = 1.6 x10-10
Caf2 is utilized as fluoridation in municipal water system : CaF2 is utilized as fluoridation in municipal water system. Compute the solubility of CaF2 in hard water in which the [Ca2+] is 0.050M given Ksp = 4.0x10-11.
The benedict''s test for the glucose levels : One day she makes a decision to go to her primary healthcare provider for a routine checkup. The healthcare provider suggests that she take the Benedict's test. Presume that the glucose levels of the patient are high.
Explain is the reaction spontaneous at standard conditions : Explain is the reaction spontaneous at standard conditions. Explain at what temperatures is the reaction spontaneous at standard conditions? Presume H° and S° do not depend on temperature.
Compute the molar mass of the first gas : If a gas of unknown identity diffuses at a rate of 83.3mL/s. In similar conditions a second gas, with a molar mass of 44.0 diffuses at a rate of 102 mL/s. Compute the molar mass of the first gas.
Explain a sample is a mixture of the salts and silver : Explain a sample is a mixture of the salts and silver nitrate, copper (II) chloride, and iron (III) chloride. Define when a 1.000 g sample of the mixture is dissolved in water as well as reacted with excess silver nitrate, 1.7809 g of precipitate ..

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the entire system to warm to room

If we inject 120.0 mL of liquid helium and allow the entire system to warm to room temperature (25°C), what is the pressure inside the bottle

  Evaluate the value of the solubility product

Calculate the value of the solubility product constant for PbSO4 from the half-cell potentials. PbSO4(s) + 2e- ? Pb(s) + SO42-(aq) Eº = (-0.383) V Pb2+ + 2e- ? Pb(s) Eº = (-0.127) V These half-cell potentials are not accurate.

  Calculate the molar mass of the unknown gas

An unknown gas having a mass of 2.041 g occupies a volume of 1.15 liters at 0.974 atm and 20 degrees Celcius. Calculate the molar mass of the unknown gas.

  Explain what are the coefficients in front of cd and ag+

Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of Cd and Ag+ in the balanced reaction. Cd(s) + Ag+(aq) ? Ag(s) + Cd2+(aq)

  Explain the concentration of all species phosphorous acid

Calculate the concentration of all species in a 0.100 M phosphorous acid solution. These species include {H3O}, {H2PO3} and {HPO3^2-}. For phosphorous acid, ka1=3.0*10^-2 and Ka2=1.7*10^-7

  Explain ice cream mix containing total solids is frozen

Ice cream mix containing 40% total solids is frozen so that half of the original water is made into ice (which is effectively pure water). If the mix contained 12% fat, 16% sugar, and 12% nonfat milk solids

  Explain the solutions mixed together are hydrochloric acid

The solutions mixed together are 53.6 mL of 0.129 M hydrochloric acid, 100.6 mL of 0.215 M of nitric acid, 500.9 mL of 0.0100 M calcium hydroxide, and 200.1 mL of 0.122 M rubidium hydroxide.

  Explain what is being oxidized and what is being reduced

What is being oxidized and what is being reduced: feso4 + k2cr2o7 + h2so4 = cr2(so4)3 + fe2(so4)3 +h2o + k2so4

  How many grams of dipotassium phthalate potassium hydrogen

How many grams of dipotassium phthalate (242.3 g/mol) must be added to 700 mL of 0.175 M potassium hydrogen phthalate to give a buffer of pH 6.00?

  Explain which proteins will bind tightly to cm sephadex

Which protein(s) will bind tightly to CM Sephadex (a cation exchange resin) if loaded onto the column in a sample buffer whose pH is 7.0

  Explain net ionic equation for the reaction of na2s

Write a balanced, net ionic equation for the reaction of Na2S(aq) and ZnSO4(aq) , also please include physical states and charges of ions.

  The radius of a cation positive ion isalways than that of

the radius of a cation positive ion isalways than that of the atom from which it is derived. on the other hand 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