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Ksp for MgCO3 at 25C is 2.0x10^-8. What are the molar concentrations in a saturated solution at this temperature?
Two samples of calcium fluoride are decomposed into their constituent elements. The first sample produced g of calcium and g of fluorine. If the second sample produced 294mg of fluorine, how many g of calcium were formed.
explain why the compound carbon tetrachloride is completly nonpolar , depite having four polar bond whereas the compound
Assume complete combustion occurs. Determine the dew point temperature of the flue gas.
Calculate the molar solubility of lead thiocyanate in .900M KSCN ,when the Pb(SCN)2 has a Ksp value =2.00X10^-5, Calculate the molar solubility of MX (Ksp rate =1.27X10^-36) in pure water.
In standardizing a solution of HCl, it is found that 47.26 mL of the acid are equivalent to 1.216 g of pure Na2CO3, what is the normality of the acid
What is the total vapor pressure 4 at 20° C of a liquid solution containing 0.30 mole fraction benzene, C6H6, and 0.70 mole fraction toluene, C6H5CH3? Assume that Raoult's law holds for each component of the solution.
In some industrial processes, sulfite is added to remove dissolved O2 to prevent corrosion of pipes. Write the balanced overall chemical reaction for reduction of dissolved O2 by sulfite (SO32-)
The Greek mathematician Archimedes is credited with discovering how to verify the amount of pure gold in an irregularly shaped object (e.g., a crown) by placing it in water. How much water should be displaced by a pure gold object having a mass of..
A benzene-toulene solution with a mol fraction for benzene of 0.300 has a normal boiling point of 98.6 degrees Celsius. The vapor pressure of pure toulene at 98.6 degrees Celsius
what percentage of the water will be vapor when the system reaches equilibrium? assume ideal behavior of water vapor and that the volume of liquid water is negligible. the vapor pressure of water 35 degree celcius is 187.5 mmHg.
A direct current was passed through a solution containing alanine, Match the behavior with correct amino acid. The isoelectric point of histidine is 10.0.
a 25.00-ml sample of orange drink with 2 g of ki and 25.00 ml of 0.0131 m kio3 added was back-titrated with a 0.0302 m
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