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An excess of solid calcium fluoride is shaken with 0.100 M HCl until a saturated solution is obtained (pKa=3.17 for HCl; pKw=14.00) Assume all species behave ideally and that there is no ion-pairing.
Write the charge-balance as well as the mass-balance equations for the system (let s represent the solubility of the calcium fluoride). And solve the equilibrium problem to determine the solubility of the CaF2
Calculate the molar heat of neutralization (in kJ mol-1). The heat capacity of the calorimeter is 10 cal/g·0C.
How to to use low resolution absorption spectra to obtain values proportional to the true absorbance
for the following reaction 22.5 grams of calcium hydroxide are allowed to react with with 27.0 grams of hydrochloric
a high school girl was getting ready for a big date but discovered with horror that her silver necklace was tarnished.
how many grams of sodium chlorida are in 100 ml of water if the vapor pressure of the solution is 630 torr 20 c? given
100.0 ml of 0.100 M acetic acid is placed in a flask and is titrated with 0.100 M sodium hydroxide. An appropriate indicator is used. Ka for acetic acit is 1.7 x 10^-5. Calculate the pH in the flask at the following points in the titration.
What technique would you use to determine the density of approximately 5 grams samples of granular sugar at 20 degress celsius and 1 atmosphere pressure
When the valve between the 2.00-L bulb, in which the gas pressure is 2.00 atm, and the 3.00-L bulb, in which the gas pressure is 4.50 atm, is opened, what will be the final pressure in the two bulbs?
To the organic chemist, infrared (IR) spectroscopy is especially useful in the determination of the structure of a new compound because it provides information about
The KsP of cadmium hydroxide, Cd(OH)2, is 7.20*10-15. calculate the molar solubility of this compound.
What must the concentration be, of each member of the buffering acid/base pair, if the reaction is expected to release 0.1 millimoles of H+?
3agno3 na3po4 --gt ag3po4 3nano3silver nitrate and sodium phosphate are reacted in equal amounts of 200. g each. how
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