Calculate the fe2+ ion concentration
Prepare solution by dissolving .702g of Fe(NH4)2(SO4)2·6H2O in 50mL of water containing 1 mL of concentrated H2SO4. transfer solution completely to a 1L volumetric flask and dilute to exactly 1 liter. Calculate the Fe2+ ion concentration.
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A 1.630 -,g sample of naphthalene, C10H8(s)is completely burned in a bomb calorimeter assembly and a temperature increase of 8.46 degrees Celsiusis noted. If the heat of combustion of naphthalene is -5156 kj/mol C10C8, what is heat capacity of th
What does Jimmy Carter refer to when he says that the United States has too often abandoned "democratic methods" in foreign relations in favor of adopting the "tactics of our adversaries"?
How much energy in kilojoules is required to convert 260 mL of water at its boiling point from liquid to vapor?
What are the difficulties of making respect for human rights a major consideration in conducting foreign policy?
A loudspeaker of mass 16.0 is suspended a distance of = 2.20 below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 4.00 .
How many grams of methanol must be added to 7.50kg of water to lower its freezing point to -15.0^circ C? For each mole of solute.
What is the total sample size (in grams) for a sample of disulfur octoxide which contains 3.52 g of oxygen?
A hard water sample contains 121 mg of CaCO3 per liter of water. Assuming the reaction goes to completion, calculate the mass of Na3PO4 needed to remove all Ca^2+ ions from 2.50 L of the water sample?
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