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A solution has a hydroxide-ion concentration of 9.22 × 10-5 M. What is its hydronium-ion concentration?
A quantity of oxygen occupies a volme of 19.2L at STP. How moles of oxygen are present?
In 1989, the Exxon Valdez ran aground and spilled 240,000 barrels of crude oil off the coast of Alaska, leaving a 0.5 mm thick layer of oil covering the waters of Prince William Sound. Using the conversion factors given below, determine the area o..
sodium carbonate na2co3 is used to neutralize the sulfuric acid spill. how many kilograms of sodium carbonate must be
A 97 gram solution of silver nitrate contains 10 grams of AgNO3. What is the percent by mass of silver nitrate in this solution
consider the reaction of magnesium metal with hydrochloric acid to produce magnesium chloride and hydrogen gas. if 3.72
The 100.0mL sample was treated with a molybdate reagent that precipitates ammonium phosphomolybdate, (NH4)3 [P(Mo12O40)] x 12H2O. This substance was dried at 110 degree C to remove waters of hydration and heated to 400 degree C until it reached a ..
calculate the approximate concentration of the solution in mol/kg and determine the volume change of the ballon when it ascends from 1 atm pressure to 240 torr pressure ?
A foul smelling gas produced by the reaction of HCl with Na2S was collected, and 1.00 L sample was found to have a mass of 1.52 g at STP. What is the molecular mass of the gas. What is its likely formula
Choose all of the processes from below which describe changes which are independent of the path by which the change occurs. the elevation increase experienced by a traveller travelling from Grand Isle, LA to Denver, Colorado
what is the major product formed from the Reaction of (3S)-3-bromo-2,3-dimethylpentane
The mineral rhodochrosite [manganese (II) carbonate, MnCO2] is a commercially important source of manganese. Write a half reaction for the oxidation of the manganese in MnCO3 to MnO2 in neutral groundwater
A solution is prepared by dissolving 11.5 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 10.00 mL sample of this stock solution is added to 52.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..
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