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Determine the mass of precipitate formed if 25.0 mL of 0.125 M sodium sulfate reacts with 0.245 g cobalt (III) nitrate. Hint: First write a balanced equation for this reaction.
What is the coefficient of H2O when the following equation is properly balanced with smallest set of whole numbers?
A buffer solution is prepared by placing 5.86 grams of sodium nitrite and 32.6 mL of a 4.90 M nitrous acid solution into a 500.0 mL volumetric flask and diluting to the calibration mark
Use atomic properties to explain why xenon is 11 times as soluble as helium in water at 0 degrees celsius.
6.00 mL of this solution was mixed with 77.00 mL of a solution of potassium nitrate and 68.70 mL of a solution of ammonium chloride. What is the molarity of Nacl in the final solution?
Find the partial pressure of each produce and the total pressure in the flask at the end of the reaction.
A 11.7 mL sample of a HCl solution has a pH of 2.000. What volume of water must be added to change the pH to 4.000?
a solution is made by dissolving 21.5 grams of glucose c6h12o6 in 255 grams of water. what is the freezing-point
Each of the following solutions is separated from a solution containing pure water with a semipermeable membrane. Assuming they all have the same temperature, rank the solutions from the highest to the lowest osmotic pressure
In a certain experiement, 4.6 g Al is reacted with excess oxygen and 6.8 g of product is obtained according to this reaction: 4 Al + 3 O2 --> 2 Al2O3 What is the theoretical yield for this reaction
A 40.0 g sample of solid ammonium carbonate is placed in a closed evacuated 3.00 L flask and heated to 400 degrees C. It decomposes to produce ammonia, water and carbon dioxide. The equilibrium constant, Kp, for the reaction is 0.295 at 400 degree..
molecular formula of a compound.a compound of p and f was analyzed as follows heating 0.2324 g of the compound in a
At what pressure does the mean free path of argon at 25 C become comparable to the diameter of a spherical vessel of volume 1.0dm3 that contains it? ? =.36nm^2
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