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A solution has a hydrogen ion concentration of 6.8 10-3 M. Use this solution to answer the following question.
What is the pH and pOH of the solution? Show your work.
the emission line used for zinc determinations in atomic emissionspectroscopy is 214 nm. if there are
Explain how the Uniform Guidelines on Employee Selection Procedures were developed and how firms use them to ensure they are abiding by the law.
What did the student do wrong? If the solution had been prepared correctly to the desired 1.0 M concentration, what volume of this stock should be diluted to prepare 100.0 mL of a 1.0 mM working solution?
You are given an impure solid that contains 70% of the desired product. After extracting 15g of the material, you recover 6g of the pure compound. What is the percent recovery
Draw the skeletal structure of cyanohydrin that is formed when 2-butanone reacts with the cyanide ion in the presence of HCN.
Consider the following Galvanic cell at 298K. This cell is a bettery producing a positive voltage. (Reaction goes in the direction it is written) Pt |Mn^+2, MnO4^-1 || S2O8^-2, SO4^-2| Pt
what is the mole fraction for each component when a mixture of the two solvents has a vapor pressure of 35 torr at 20°C. (Hint: look at page 544 in your text.)
Let x1 and x2 represent the mole fractions of 1-propanol and 2-propanol in a liquid mixture, respectively and y1 and y2 represent the mole fractions of each in the vapor phase. For a solution of these liquids with x1=.680, calculate the composition..
0.10 moles of CaCO3 reacts completely with acetic acid (C2H4O2). How many moles of CO2 are produced from this
Suppose that 24 of each of the following substances is initially at 29.0. What is the final temperature of gold upon absorbing 2.30 of heat?
a corrosion technologist pipetted a 100.00 ml hard water sample and titrated it with 37.64 ml of 0.01 m edta solution
In this experiment we determined the orders of reagents as well as a specific rate constant by measuring the rate of oxygen evolution from the iodide-catalyzed decomposition of hydrogen peroxide H2O2.
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