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The solubility product constant of calcium sulfate,CaSO2 is 7.10*10^-5 . How many grams of calcium sulfate can dissolve in 53.5 of pure water
If we took EXACTLY 1.00 ml of a 1.000 M solution of Cu(NO3)2 and placed it in 99.000 ml of water and mixed it, then took 2.00 ml of this solution and placed it in 18.000 ml of water.
What is the pH of the sodium phosphate buffer described in problem if 1 ml of 10M NaOH is added? What is the pH of 1 liter of water if 1ml of NaOH is added?
In the decomposition of hydrogen peroxide, the percentage yield of oxygen is 93%. What is the actual yield in grams of oxygen if you start with 100 grams of H2O2.
Identify each of the following as an acid or base and write a chemical equation showing how it is an acid or a base according to the Arrhenius definition?
A solution is prepared by dissolving 13.4 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 12.00 mL sample of this stock solution is added to 57.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..
In a hydrogen fuel cell, hydrogen gas and oxygen gas are combined to form water. Write the balanced chemical equation describing this reaction (using lowest whole-number coefficients).
The combustion of octane produces carbon dioxide and water. If you start with 10.0 mol of octane, what mass of water (in grams) would you expect to produce?
A 75.0 L steel tank at 20.0C contains acetylene gas (C2H2) at a pressure of 1.39 atm. Assuming ideal gas behavior, how many grams of acetylene are in the tank?
Phosphorous acid, H3PO3(aq), is a diprotic oxyacid that is an important compound in industry and agriculture pka1=1.3 pka2=6.70 Calculate the pH for each of the following points in the titration of 50.0 mL of a 2.1 M H3PO3(aq) with 2.1 M KO..
What pressure is needed to confine an ideal gas to 102.0 L after it has expanded from 8.0 L and 1.0 atm at constant temperature
solution should you use if you want the molarity of the Cl- (aq) ions in the solution to be 0.100 M?
If a solution containing 17.76 g of mercury(II) perchlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfate.
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