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1.If 15.0g of a gas dissolves in 1.00 L of water at 110kPa,what mass will dissolve at 101.325kPa?2.The solubility of an unknown gas is 1.20 g/L at 1.00 atm. What is the solubility of the gas at 1.52 atm?3.What is the molarity of a solution that contains 12.6 g of NaCl in 250 m L of solution?4.What mass of CaCl is needed to make 350 mL of a 0.233M CaCl solution?5.What is the molarity of a solution that contains 3.50 moles in 1.56 L of solution?6.What volume of 12.8M stock HCL is needed to make 500.mL of a 0.500M HCL solution?7.250.mL of 3.00M LiF is diluted to a volume of 1.20 L. what is the molarity of the resulting solution?8.What is the mass percent of a solution that contains 45.2 g of NaCl in 675g of water?9.What is the mass percent of a solution that contains 35.9 g of ammonia in 75.0 g of water?10. A solution is 5.00% by mass. How many grams of solute is present is 125 g of solution?
The reaction will become more spontaneous. B) The spontaneity of the reaction will not change. C) The reaction will become less spontaneous. D) ?G will decrease. E) K will decrease.
The half-cell is a chamber in the voltaic cell where one half-cell is the site of the oxidation reaction and the other half-cell is the site of the reduction reaction.
What volume of 3 M H2SO4 is needed to neutralize all of the disodium salicylate and the excess NaOH (2.17 mL excess) present after the initial reaction?
If the concentration of H2 in the equilibrium mixture is 0.426 M, what mass of methanol was initially introduced into the vessel?
The density of the unknown is 0.714g/mL. The Kf of nitrobenzene is 6.87 ^0C/m. Calculate the molar mass of the unknown.
Electrolysis can be used to determine actomic masses. A current of .600 amperes deposits 2.42 grams of a certain metal from its salt solution in 1.00 hour. A second experiment shows that the dissolved salt of the metal is in a +1 oxidation state.
Titrated three different samples of KHP and determined that the sodium hydroxide molarity was 0.1234 M, 0.1244 M, and 0.1199 M, respectively. Calculate the sample mean and the sample slandered deviation?
a 10 ml sample of a solution of pbclo32 was diluted with water to 170 ml. a 100 ml sample of the dilute solution was
complete and balance the following redox equation. What is the coefficient of H2O when the equation is balanced using the set of smallest whole-number coefficients
What is the percent H2SO4 for a solution consisting of 4.62 equivalencies of H2SO4 mixed with 11.2 kg of water if both portions
How would you prepare 2-chloro-2-methyloctane in a lab begining with 2-methyl-2-octene and hydrochloric acid? It is reacted over heat with Ch2Cl2.
present brief descriptions of three methods that can be utilized to decrease noise from post data acquisition by an
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