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Calculate the mass of precipiate formed when 110.0 mL of a 0.100M Ba(NO3)2 solution is added to 140.0 mL of a 0.100M Na2SO4 solution. Calculate the concentrations of all ions in the remaining solution
calculate the amount in grams of calcium sulfate which is formed when 185 grams of calcium fluoride are reacted with excess sulfuric acid.
Using the list of Active Ingredients provided, was there enough HCl added to completely neutralize Naproxen Sodium. (Show all calculations). List of ingredients: 5mL ethyl acetate, 1mL HCl, 1mL brine (saturated NaCl sln), tip of scoopula of Na2S..
What masses of iron(III)oxide and aluminium must be used to produce 15.0g iron? What is the maximum mass of aluminium oxide that could be produced?
Liquids "flow" quickly as measured by the speed at which a small amount of liquid will spread itself out to form a puddle. What does this behavior imply about the speeds at which the individual liquid particles are moving relative to each other?
The initial mass of the the crude ether was 141 mg. The mass after recrystallization was 121 mg. Calculate the percent recovery from recrystallization.
calculate the equilibrium concentration of Ag+(aq) in a solution that is initially 0.200 M AgNO3 and 0.810 M NH3,
Write the structure of the compound that would result if the adduct were heated too long in the recrystallization solvent (CH3OH)
A solid sample containing some Fe 2+ ion weighs 1.062g. It requires 24.12 mL 0.01562 M KMno4 to titrate the Fe2+ in the dissolved sample to a pink end point.
If a diagnostic test starts with 15mCi of Ga-68, how much is left after the test if the test runs for 2 hr and 15 minutes?
What is the mass of a square piece of aluminum foil 100 micrometers thick and 10 cm wide? (Aluminum=2.7 g/cm^3)
how can you tell when the hydrolysis of starch is complete? Why does the test work this way? What is the monosaccharide that results at the end?
Determine the empirical and molecular formulas of anthraquinone.
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