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In order to extract isobutyric acid from a solution of diethyl ether, one should wash the solution with:
A. One 30 mL wash of water
B. Three 10 mL washes of water
C. One 30 mL wash of hexane
D. Three 10 mL washes of hexane
contains 17.0 moles of carbon atoms. How many total moles of atoms does the sample contain?
what would happen if the bottle was labeled salicylic acid from benzene actually contained acetylsalicylic acid
determine the percent yield for the reaction between 28.1g of sb4o6 and excess c if 17.3 of sb is recovered along with
How many minutes would a solution of Cd2+ have to be electrolyzed with a 2.420 A current to plate out 1.77 g of Cd? min
A solution is made by dissolving 0.0350 mol of HF in enough water to make 1.00L of solution. At 24°C, the osmotic pressure of the solution is .975 atm.
A solution of PbI2 has [Pb2+] = 4.5 x 10-5 and [I-] = 6.5 x 10-4. PbI2 has Ksp = 8.7 x 10-9. Write down the reaction that is taking place. Calculate Q.
Considering the condensation of a vapour only on cold vertical tubes, what factors affect the prediction of the value of the heat transfer
Calculate pCu at the equivalence point in the titration of 20.0 mL of 0.0161 M CuSO4 with 0.0100 M EDTA at pH 8.00.
While a particular metal is illuminated with photons, one electron is practical for each absorbed photon. Explain what effect would increase the energy and numbers of photons have on electrons leaving the surface
A 184-mg sample of Na2CO3 is dissolved in H2O to give 3.00L of solution. What is the concentration of Na+ in parts per million (ppm)?
Write the balanced equations for the reaction between magnesium metal and hydrochloric acid solution and for the decomposition of hydrogen peroxide into water and oxygen gas.
Match the detector or detectors that can be used in gas chromatography for the detection of the following list of analytes by dragging the detector into the box to the left of the analyte.
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