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Consider the tritration of 25.00 ml of 0.200 M benzoic acid (ka=6.3*10^-5) with 0.100 M sodium hydroxide. What is the pH of the solution when 35.00 ml of sodium hydroxide has been added?
a solution made by adding .106 mol of CH3COOH to 1.0 kg of water is found to freeze at -.203 C. Calculate the percent of the acid that has undergone ionization. The molal freezing point constant of water is 1.86
The heat of vaporization of water at 100°C is 40.66 kJ/mol. Calculate the quantity of heat that is absorbed/released when 9.00 g of steam condenses to liquid water at 100°C.
Calculate the following values for a 0.0150 M solution of NaH2A. and Calculate the following values for a 0.0150 M solution of Na2HA.
Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium.
Under what conditions of pressure and temperature do real gases most closely approximate ideal-gas behavior?
The products of the fastest inactivation process are as explain the mechanism is accountable for the making of the products.
A gas occupies a volume of 380. ml at 135 °C? At what temperature will the volume of the gas be equal to 535 ml?
The half-life of Plutonium-239 is 24,000 years. If 10 gms are present now, how long will it take until only 10% of the original sample remains? Round your answer to the nearest 10,000th.
how many moles of HNO3 are present in 33.0 mL of a 4.70M solution ?
How many moles of ethane (C2H6) would be needed to react with 62.3 grams of oxygen gas?
the temperature of a metal bar rises by 15 C when it absorbs 4.26 kJ of heat. The mass of the bar is 472g. Determine the specific heat of the metal bar.
How many liters of F2 at STP could be liberated from the electrolysis of molten NaF under a 2.16 ampere current
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