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sodium sulfate is slowly added to a solution containing 0.0500 M Ca2 (aq) and .0280 M Ag (aq). What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to precipitate? What percentage of the Ca2 (aq) can be separated from the Ag (aq) by selective precipitation?
Calculate the mass/volume percent of a NaCl solution in which 186 g of NaCl is dissolved in enough water to give a total volume of 1.67 L
It takes 45.0 to raise the temperature of an 8.00 piece of unknown metal from 13.0 to 24.5. What is the specific heat for the metal.
if two atoms of element A react with three atoms of element B, what is the chemical formula for the resulting compound
How many constitutionally isomeric monochlorides can be formed on free radical chlorination of 2,3,3-trimethylpentane
A metal object with a mass of 19 g is heated to 96 degree celcious, then transferred to a calorimeter containing 75 g of water at 18 degree celcious
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the reaction: PCl5(g) ?PCl3(g) + Cl2(g)
Write the chain propagation steps for the formation of dichloromethane in the chlorination of methane
The concentrations of NaCl and KI are at 0.100 M and 0.090 M, respectively, in the following electrochemical cell:You'll need to use the Nernst equation to solve this problem
composition diagram to explain why fractional distillation of 2 components is more easily accomplished if the components have boiling points that differ by 20 C or more?
Starting with 3.30 moles of HBr in a 12.0 L reaction vessel, calculate the concentration of H2, Br2, and HBr at equil.
the heat calculated after a calimetry experiment is equal to the enthalpy change for reaction. Use the thermochemical data to calculate the enthalpy chanfe for the reaction of NaOH and CH3COOH.
A stock solution of lactic acid is 0.04M and a stock solution of lactate is 0.25M. Calculate the pKa of lactic acid given that at these concentrations the pH is 3.90
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