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Explain in calculating the theoretical yield of alum, it is assumed that all of the aluminum is converted to alum---aluminum is the limiting reactant. Carry out the following calculations to find out if this is a valid assumption.
1) Explain how many ml of water density 1.0 g/ml are required to supply the water in the alum formed from 1.1g of aluminum?
Calculate the work in Joules when 2.5 mols of water vaporizes at 1 atmosphere pressure and 25 degrees C. The work is done in pushing back the atmosphere.
A 250.0 -mL buffer solution initially contains 2.5X10^-2 M of HCHO2 and 2.5X10^-2 M of NaCHO2. What mass of the correct reagent should
the degradation of limestone by acidic rainwater follows 1st order kinetics with a t12 of 4500 days. calculate the
What is the pH of a solution prepared by mixing exactly 64.9 mL of 0.200 M HC2H3O2 with 24.7 mL of 0.400 M KOH. (Ka for acetic acid equals 1.8 x 10-5).
Calculate the final temperature of 34mL of ethanol initially at 20celcuis upon absorption of 739 J of heat. (density of ethanol =0.789g/mL )
a 35.00 ml sample of naoh solution is titrated to an endpoint of 14.76 ml 0.4122 m hbr solution. what is the molarity
If the synthesis of 1.0 mol of ATP requires a ?G of 37.7 kJ, how many moles of ATP are synthesized per mole of oxygen consumed
Calculate the pH of a solution prepared by mixing 25.0 mL of 0.10 M HCl and 25.0 mL of 0.25 M CH3COONa.
Covert the EU Nitrate standard of 50ppm to its nitrogen content alone. Is the EU standard more or less stringent than the United States regulatory limit
a solution is prepared by dissolving 20.0 g ammonium sulfate in enough water to make 100.0 ml of stock solution. a
Two acids, each approximately 0.01 M in concentration, are titrated separately with a strong base. The acids show the following pH values at the equivalence point: HA, pH = 9.5, and HB, pH = 8.5.
Calculate the % ionization in a 0.3458 M solution of o-iodobenzoic acid. The Ka of o-iodobenzoic acid = 1.7 x 10-3.
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