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1. You have 125 mL of nitric acid, but you don't know its concentration. To determine the concentration you take a 32.91 mL portion of the acid and titrate it with a 18.75 mM solution of lithium hydroxide. You find that you need 22.03 mL of the base to neutralize the acid. What is the molar concentration of the acid?
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2. You wish to neutralize a solution of phosphoric acid by adding to it solid lithium hydroxide. The phosphoric acid solution is 12.74 mL and has a concentration of 0.283 M. What mass of lithium hydroxide must you add to neutralize the solution?
Calculate the energy released when a 28.9 gram piece of copper is cooled from its melting point of 1083 degrees C to 25.0 degrees C. The specific heat of copper is .385 J/g degrees C.
A photomultiplier tube detects photons by amplifying the current generated by the photoelectric effect. Which metal, lithium, calcium, aluminum or gold would you choose if you were trying to make a photomultiplier tube sensitive to the largest por..
Balance the chemical equation given below, and calculate the volume of nitrogen monoxide gas produced when 8.00 g of ammonia is reacted with 12.0 g of oxygen at 25°C
Dimethyl sulfoxide is an aprotic dipolar solvent that readily dissolves many inorganic salts. Water is a protic dipolar solvent that dissolves inorganic salts.
What volume in milliliters of a 0.5 solution of copper ll sulfate, CuSO4, is needed to react with an excess of aluminum to provide 11g of copper?
Litre of white gas, and density of the gas is 0.710 g/cm 3 . Calculate the mass of the fuel and express your answer in kgs?
Two unknowns, X and Y, both having the molecular formula C4H8O, give the following results with four chemical tests. Propose a structure for X consistent with this information.
TiCl4(l)+2H2O(l)=TiO2(s)+-4HCl(g), If you begin with 14.0 mL of TiCl4 (d=1.73mL), what mass of water, in grams, is required for complete reaction
The activation energy of a reaction is 56.8kJ/mol and the frequency factor is 1.5*10^11/s. Calculate the rate constant of the reaction at 26degrees C
A copper cylinder, 12.0 cm in radius, is 44.0 cm long. If the density of copper is 8.90 g/cm3, calculate the mass in grams of the cylinder. (assume pi=3.14)
A sample of Neon gas has a volume of 7.50 L and a pressure of 2.30 atm. What is the new pressure if the volume is decreased to 1.50 L at constant temperature?
This precipitate is removed and excess H SO is then added to the solution which forms a precipitate. This precipitate is removed and excess NaOH is added to the supernatant until the solution is strongly basic. The addition of the NaOH does not pr..
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