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Identities of the components in a mixture by Gas chromatography may be determined by the technique called "spiking". Suppose you had run a chromatogram of your product and then deliberately added a known sample of 2 methyl 2 butene to your product and reran the Gas chromatography. How would the new chromatogram change?
Calculate the number of moles of Cl atoms in 1.20×1024 of magnesium chloride, MgCl2.
In a 0.1 molar solution of NaCl in water, which one of the following will be closest to 0.1?" A) the mole fraction of NaCl B) The mass fraction of NaCl
Explain why water boils at a lower temperature (
sodium bisulfite is a reducing agent. write a balanced oxidation reduction reaction equation for the reaction that occurs
Consider a binary liquid mixture A and B, where A is volatile and B is nonvolatile. The composition of the solution in terms of mole fraction is xA = 0.045 and xB = 0.955
Calculate the molar concentration of OH- ions in a 7.5×10^-2 M solution of ethylamine C2H5NH2(Kb = 6.4x10^-4).
What volume of 0.1000 M NaOH is required to titrate a 0.1000 M propionic acid solution, CH3CH2COOH, Ka = 1.3 x 10-5 , to the equivalence point?
Calculate the pH of the solution after the addition of 100mL of 1.00 M HCL. the Ka for Hf is 3.5*10-4
Compute pH and [OH-] for each of the following solutions. (a) 8.1×10-2M Na2CO3, (b) 0.15M NaCN
In the experiment aniline and acetic anhydride are reacted to form acetanilide, how do you calculate the theoretical yield of acetanilide?
determine the ph of the following solutions, showing calculations.
Radiochemical techniques are useful in estimating the solubility product of many compounds. In one experiment, 50.0 mL of a 0.010 M AgNO3
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