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Determine the approximate pH range appropriate for the separation of Al3+ and Mg2+ by precipitation of Al(OH)3 from a solution that is primarily 0.032 M in both Al3+ and Mg2+.
Calculate the concentration of H3PO4 if 25.00 mL of the acid is titrated with 38.77 mL of 1.723 M KOH to produce K3PO4 and water.
If you prepare a 1.00 m solution of NH4ClO4 beginning with water at 25.5C, what is the final temperature of the solution in C?
Which of the following gases would be expected to show the greatest deviation from ideal behavior at the same temperature and pressure
A mass of 47.5 g of H2O(s) at 273 K is dropped into 225 g of H2O(l) at 298 K in an insulated container at1 bar of pressure. Calculate the temperature of the system once equilibrium has been reached.
for which Kp=2.00 at 20 C. A mixture of NO(g) at a partial pressure of 1.50 atm and NO2(g) at a partial pressure of 0.50 atm is allowed to come to equilibrium in a sealed container maintained at 20 C.
sketch the following molecules3-cyclohexenone 4-ethyl 225-trimethyl 3-hexanone ethyl butyrate pentanoic acid 2-chloro
Which atom has the largest partial positive charge in these bonds. C-H, C-O, C-F, C-Cl C in C-O Cl in C-Cl O in C-O F in C-H C in C-H C in C-Cl C in C-F
A dilute solution containing 5 ppm of solute has a density of 1.00 g/ml. Express the concentration of the solute in g/L, ug/mL and mg/L.
Dr. Carvell made up a 5X stock of ONPG stock solution that has a concentration of 50 mN. The molecular mass of ONPG is 354.7. What is the percent composition of this solution
When dissolved in your stomach (pH=1) the concentration of aspirin (acetylsalicylic acid Ka = 3.0 x 10 ^-4) is 0.2 M. Calculate the % ionization of the aspirin.
consider the following reaction3caco3 2fepo4 ca3po42 fe2co33a which of the following reagents is the limiting
What is the mass of H2SO4 in a 48.4-cm3 sample of sulfuric acid that has a density of 1.52 g.cm-3 and which consists of 55.2% H2SO4
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