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If you have 5.96 g of caffeine dissolved in 82.2 mL of water and the extraction coefficient between H2O and CH2Cl2 is 21.51. How many grams of caffeine will extract into the CH2Cl2 layer if you use 75.7 mL?
What is the molarity of a solution containing 0.825 moles of solute in 553 mL of solution?
the water pressure compressed the balloon and reduced its volume. When the pressure had increased to 55.0 atm, what was the volume of the sample? Assume that the temperature was held constant.
According to the Balmer-Rydberg equation, transitions from n= 5 to m= 2 result in a photons of light that give rise to a spectral line with what color
the decomposition of 2hi to h2 i2 at 508c has a half like of135 min when the initial pressure of hi is 0.10atm and
if each of the following compounds were in solution which of the ions contributed by that compound would the chloride
What mass of C4H6 in grams is consumed in the reaction below when 36.9 grams O2 (g) are also consumed?
Suppose the potassium permanganate has a concentration of 0.1550M and you use 17.65ml of it to titrate 35.00ml of the aqueous isopropyl alcohol solution. Explain what is the concentration of isopropyl alcohol in the aqueous solution
calculate the solubility of potassium bromide at 23 degrees celuius.assume that the solubility increases by an equal
Combustion analysis of a certain hydrocarbon which contains only C and H produced 33.01g of carbon dioxide and 13.51g of water. Explain what are the empirical formulae of the hydrocarbon.
Calculate the radius of iridium (Ir) atom given that Ir has FCC crystal structure, a density of 22.4 g/cm³ and atomic weight of 192.2 g/mol
how many moles of nh42so4 are there in 100.00 g of ammonium sulfate? how many moles of ammonium ions are in 100.00 g of
the volume of blood in the body of a certain deep-sea diver is about 5.63 l. blood cells make up about 55 of the blood
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