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A student mixed a cobalt cloride solution with a potassium arsenate solution a solid was observed. How many grams of solid can be formed from mixing 35.6mi. of 0.342 M cobalt chloride solution with 35.8 ml. of .251 M potassium arsenate solution? Which reactant is in excess and by how many milliliters? Which substance is the limiting reactant?
A liquid adhesive consists of polymer dissolved in a solvent. the amount of polymer in the solution is important to the application. an adhesive dealer receives an order for 3000 Ib of an adhesive solution containing 13% polymer by weight.
Determine the total concentration (in mol/L) of Ba2+ ions in a solution formed from the reaction of 121mL of 0.85M barium hydroxide (Ba(OH)2 with 500mL of 1.00M hydrochloric acid (HCl).
What is the pH of a solution made by mixing 100.00 mL of .20 M HCl with 50.0 mL of .10 M HCl. Assume that the volumes are additive
a cylinder with a moveable piston contains 0.553 mol of gas and has a volume of 253 ml. what will its volume be if an
What is the half life of this reaction if the initial concentration is 1.40 M. b) Given this same starting concentration, calculate the concentration after 3 minutes. c) How long would it take for the starting concentration to reduce to 0.50 M?
The results of four replicate measurements were 5.4, 5.2, 5.5, and 5.2 m. Measurements were also made of the height of the tank, yielding 9.9, 9.8, and 9.6 m. Calculate the volume of the tank and the uncertainty in that volume.
What is the pH before addition of NaOH. What volume of the NaOH solution is required to reach the equivalence point
A diver at a depth of 100 ft (pressure approximately 3 atm) exhales a small bubble of air with a volume equal to 100 mL. What will be the volume of the bubble (assume the same amount of air) at the surface?
The crystal field splitting energy for a complex is 160 kJ/mol. What wavelength of light is absorbed by this complex? A) 750 nm (red light)
question a student dissolves some ammonium nitrate nh4no3 in water notices that the beaker gets cooler as the solid
Write the electron configuration for zirconium. How many electrons are in each energy level
Compute the density of both an ideal as well as a hard sphere gas with molar mass 30 grams/mole that has a b parameter of 0.037 L/mol. The pressure is 1000atm as well as the temperature is 50 K.
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