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What is the molarity of a solution prepared by dissolving 5.72 grams of NaOH in 43.8 ml of solution? What is the balanced equation for the reaction of sodium hydroxide with sulfuric acid? How many ml of 0.101 M H2SO4 solution would be required to fully react with the solution above?
The equation for the Beers Law- A= -log10 I/Io. Tell what each variable represents.
The rate law for the reaction 3A ? 2B is rate = k[A] with a rate constant of 0.0447 hr-1. What is the half- life of the reaction
a stone is thrown downward with a velocity of 66 feet per secound 45mph from a bridge that is 120 feet above the
What color- red or blue- would you expect each of the following to produce when added to litmus
describe the preparation of 400 mL of a solution that is 0.0500 M in I-, starting with MgI2.
A particular first order reaction has a rate constant of 1.35 times 10^2 s^-1 at 25 degrees C. What is the magnitude of k at 95.0 degrees C if Ea=55.5kj/mol
How many grams of Na2SO4 are there in 15 mL of 0.50 M Na2SO4? (b) How many milliliters of 0.50 M Na2SO4 solution are needed to provide 0.038 mol of this salt?
You dissolve a compound with a molecular mass of 284.63 in a 10-mL volumetric flask. You remove a 1.00-mL aliquot, place it in a 25-mL volumetric flask and dilute it to the mark. The absorbance of this diluted solution at 345 nm was 0.451 in a 1.0..
For which of the following substances will the molar solubility in water be the same as that in an HCl or NH3 solution
how many grams of iron (2) chloride would you need in order to make 2.0 L of a .050 M iron (2) Chloride solution?
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case. A - 1.4*10^-2 M CaCl2 B - 2.8*10^-3 M Fe(NO3)2 C - 1.6*10^-..
A 36.3 mL aliquot of 0.0529 M (aq) is to be titrated with 0.0411 M NaOH (aq). What volume (mL) of base will it take to reach the equivalence point?
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