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A chemist must prepare 725. mL of 275. mM aqueous copper(II) sulfate CuSO4 working solution. He'll do this by pouring out some 0.316 M aqueous copper(II) sulfate stock solution into a graduated cylinder and diluting it with distilled water.
Calculate the volume in mL of the copper(II) sulfate stock solution that the chemist should pour out. Round your answer to 3 significant digits.
What is the purpose of the sodium bisulfite? If bisulfite is oxidized to sulfate
Show your calculations for the pH when 0.00 mL, 4.00 mL, 6.00 mL, 12.00 mL (equivalence point), and 16.00 mL of 0.10 M HCl have been aded to an initial
The manager of amedium-sized office hired a fire prevention specialist to give the annual fire training for their employees. In a pretest of the audience, the specialist said that lithium, sodium and potassium fires cannot be extinguished effectivel..
The vessel and contents are returned to 100 degrees C, and the mixture of product gases (CO2, SO2 and unreacted O2) has a total pressure of 2.40 atm. Determine the partial pressure of each of these gases in the final product mixture
How many grams of ammonium sulfate can be produced in 30 mol of H2SO4 react with excess NH3 according to the equation 2NH3(aq)+H2SO4(aq)-->(NH4)2SO4(aq)?
A solution contains 0.35 mol of isopropanol (C3H7OH) dissolved in 0.85 mol of H2O. What is the molarity of this solution
If the formation of a Grignard reagent does not begin spontaneously when Mg metal and a solution of an alkyl halide in ether are mixed, one sometimes adds a small amount of iodine to the flask. What substance is formed from the reaction of iodine ..
30.0 ml of 0.10 m cano32 and 15.0 ml of 0.20m na3po4 solutions are mixed. after the reaction is complete which of these
By titration, a water sample which was diluted tenfold had an initial DO of 9.08 mg/L, a final DO of 3.93 mg/L, an initial dilution water DO of 8.29 mg/L and a final dilution water DO of 10.32 mg/L. Calculate the BOD of this sample of water. Give ..
Hydrogen has two naturally occurring isotopes 1H (mass= 100783), and 2H (mass= 2.0140). If the atomic weight of hydrogen is given as 1.0079, which one is the more abundant isotope
Suppose you have 0.3562g of Na2C2O4 and is dissolved in 250 mL volumetric flask. If 10 mL of this solution requires 48.36 mL of KMnO4 solution for titration, what is the molarity of the permanganate solution.
If you used a concentration of 0.0065 M sodium thiosulfate instead of 0.0050 M sodium thiosulfate called for in reaction 1, what effects would this have, if any, on the rate of the reaction
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