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The confirmation test for Ag^+ is to add HNO3 to the [Ag(NH3)2] ^+ and see if a precipitate of AgCl forms. Where does the Cl ^ - come from? Why does adding HNO3 make AgCl precipitate? Write an appropriate balanced reaction
A gram of a salt dissolves in 4.9ml of water to from a saturated solution whose specific gravity is 1.08, how many gram of salt will be contained in 100ml of the saturated solution
The solubility product constant for AgCl at 298 K is 1.82 × 10-10. Calculate E° for the process AgCl+e----->Ag+Cl given that the standard reduction potential of the half-reaction Ag++e----->Ag is +.799V
If 45.4g of H2O are produced in the reaction given below, the number of grams of magnesium carbonate used is.?
If 20.0L of neon gas exerts a pressure of 125 psi at 423 k , what is the number of moles of gas?
Find the concentration of Pb2 in 0.0010 M KI saturated with PbI2. Include activity coefficients in your solubility-product expression. The Ksp of PbI2 is 9.8× 10-9. Hint from sapling below: Including activity coefficients, the solubility-product e..
Calculate the molarity of a solution of glycerol made by dissolving 46.000 mL glycerol at 15 ^circ {rm C} in enough water to make 400.00 mL of solution.
What is a likely mechanism for the reaction below: (2Z)-7-methylocta-2,6-dienal using heat and a hydroxyl to form 6-methylhept
Helium= ? g/mL Neon= ? g/mL Carbon monoxide= ? g/mL Nitrogen monoxide= ? g/mL If the density of air at 25 degrees C and 1.00 atm is 0.00117 g/mL, will any of the balloons float in this air? Which ones?
A 6.38 mg sample of potassium hydrogen phthalate was dissolved in 50 mL of water and to use as a standardizing aging. If 36.5 mL of NaOH was required to reach the end point, what is the concentration of the solution in uM
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case. A - 1.4*10^-2 M CaCl2 B - 2.8*10^-3 M Fe(NO3)2 C - 1.6*10^-..
two naturally occurring isotopes with atomic weights 184.9530 and 186.9560. What is the percent abundance of the lighter isotope
Calculate the pH of the solution formed by the addition of 55.5 mL of 0.100 M NaOH to 49.2 mL of 0.100 M H3PO4.
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