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Explain how many grams of Fe(NO3)3 • 9 H2O are needed to prepare 350.0mL of a 0.245M solution of Fe(NO3)3 • 9 H2O?
A sample of CuSO4+5H2O and an inert material was dried to constant mass by heating in a crucible. From the data below, what is the calculated percent CuSO4+5H2O in the Sample?
degrees lower than the true freezing pont, would the calculated molar mass of the solute be too high or too low? Explain.
a chemistry student needs of chloroform for an experiment. by consulting the crc handbook of chemistry and physics the
Consider the situation in which 1.60 mL of an aqueous CuSO4 solution of unknown concentration is diluted to a volume of 10.00mL.
if you started a ride with ice packs that held 1300 g of frozen water at 0 rmcircc and the temperature of the water at
When 280. mL of 1.50× 10-4 M hydrochloric acid is added to 125 mL of 1.75 × 10-4 M Mg(OH)2, the resulting solution will be
If an automobile is able to travel 246 on 10.6 of gasoline, what is the gas mileage in ?
Much commercial hydrochloric acid is prepared by the reaction of concentrated sulfuric acid with sodium chloride: H2SO4 + 2NaCl → Na2SO4 + 2HCl
a solution of .85g of a unknown organic compound in 100g ofbenzene has a freezing point of -5.16c. what is the molality
start with 200 mg of cyclopentadiene and 300 mg of Maleic anhydride, and 375 mg of the cycloadduct anhydride is obtained: Which is the limiting recant?
What anion or anions are not presetn in a solution that forms no precipitate upon addition of BaCl2(aq). Which anion of anions may be present in an acidic solution that forms a pale yellow precipitate upon addition of AgNO3(aq)
Suppose you placed 0.500 mol of COBr2 in a 2.00 liter flask and heated it to 73°C. After equilibrium was reached, suppose you added an additional 2.00 mol of CO to the flask at the same temperature
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