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Problem- Make 200 mL of an aqueous solution with 150 mM KCL and 100 microM CaCl2. Premade stock solutions: 1.000 M KCl and 0.250 M CaCl2. Calculate the number of mL of each stock solution needed to make the solution
How do I yet start setting this up? Thank you
A solution of 5.00g of an organic compound in 25.00g carbon tetrachloride boils at 84.8 c at 760torr. What is the molecular weight of the compound. (bpt ccl4 = 76.5 C, Kb = 5.03 C/m)
A 2+ ion of a particular element has an atomic mass of 203 and 123 neutrons in its nucleus, a) what is the nuclear charge in this element. Why? b) what are the symbol and name of this element? How do you know?
how many pounds of co2 are produced from the complete combustion of 1.00 gal of gasoline? assume that gasoline has the
The final temperature of the system was found to be 28.4 C. Calculate the specific heat of the metal. The heat capacity of the calorimeter is 14.4J/C.
Write balanced chemical equations for all reactions in the sequence. Water and NO2 (g) are produced in the first step
The nitro group needs to be taken off as well. I can't seem to find any reference materials on what reagrents can be used. Can you please advise?
Calculating Kc, Given the amount of reactant in grams in a container at a temperature and amount produced in moles, calculate Kc:
The length and width of the settling tanks (two rectangular units are desired with a length to width ratio of 3:1). Assume the average depth of the tank is 4m.
utilized a high molecular weight Dowex resin as an acid-catalyst for the esterification reaction which made isolating the product ester from the catalyst appreciably easy. Explain how would the product isolation be different if you had performed ..
One of the genetic markers discussed was supposed to metabolize L-tyrosine. Identify that marker as well as what is the source of the L-tyrosine.
Suppose that you titrate a 3 g sample of orange juice and it turns out to contain only 95.5mg of vitamin C. Further, it took 32.45mL of DCP solution to reach the end point of the titration.
The following compound has similar properties to aspirin. Write a synthesis for the preparation of the compound basing on salicylic acid.
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