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0.5L of 0.5M CH3COOH and 0.5L of 0.25M CH3COONa are available. what maximum volume of a buffer with a ph=4.58 can be prepared using only these two resources?
If 30 mL of 6.2 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
Zinc is extracted from its ore by heating with carbon in the blast furnace. How much zinc oxide do you need to make 130 g of zinc?
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.100M solution of ammonia, NH3, to prepare a buffer solution that ahs a pH of 8.80?
In 1986 an electrical power plant in Taylorsville, Georgia, burned 8,376,726 tons of coal, a national record at that time.
The original concentration of Glucose-6-phosphate is 0.25 M, but when the system reaches equilibrium, only 2.5% of the original glucose-6-phosphate remains. calculate the Keq.
In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 23.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe?
Imagine that you have a 5.50 L gas tank and a 2.00 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch
let's pretend a certain sterling silver ring has a mass of 31.25g. silver has 93%. determine the mass of silver found in the ring.
Draw the Lewis structure of benzoic acid a (refer to p.40 in you lab manual). ii). list all the IMF that exist between two molecules of benzoic acid.
A substance, A2B, has the composition by mass of 60% A and 40% B. What is the composition of AB2 by mass?
What is temperature of boiling water in Denver (in?C) at an elevation of 6000 ft ? 2000 m given that atmospheric pressure at that altitude is about 0.8 atm?
The dissociation pK for acetic acid is 4.76. Suppose that we dissolve a mole of this weak acid in 10L of water
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