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0.700 g of KHT was dissolved in water and titrated utilizing 11.57mL of an NaOH solution. Find out the molarity of the NaOH solution?
how much energy is required to turn 500 g of ice at -15.0 celsius to liquid water at 55.0 celsius? specific heat (ice) = 2.10 J/g * C. Specific heat (water)= 4.18 J/g*C
How many grams of dry NH_4Cl need to be added to 2.10 L of a 0.700 M solution of ammonia, NH_3, to prepare a buffer solution that has a pH of 8.79? K_b for ammonia is 1.8 times 10^{-5}.
A 4.50-g sample of LIL at 25.oC dissolves in 25.0 mL of water also at 25.0C. The final equilibrium temperature of the resulting solution is 60.8C. What is the enthalp of solution of LICL expressed in kilojoules per mole?
you have a 550 ml tank of gas with a pressure of 1.56 atm at 24.0degc. you thought the gas was pure carbon monoxide but
In a vessel with a volume 3 m^3 you put 0.03m^3 of liquid water and 2.97m^3 of water vapor so the pressure is 101.33 kPa.
If you have a sodium salt of stearic acid and neutralize it with acid, the solubility changes. Explain those relative solubility differences of these two chemical species in a solvent like hexane.
Solid silver nitrate is added to a solution that is 0.0010 M each in NaCl, NaBr, and NaI. For AgI, ksp= 1.5x10^-16, for AgBr, ksp= 3.3x10^-13, and for AgCl, ksp= 1.8x10^-10
The Ka of a monoprotic weak acid is 3.72x10-3 M. Explain what is the percent ionization of a 0.112 M solution of this acid
A particular Lake contains 10^10 liter of water. Due to acidification, the pH of the Lake is 5.00. It has been decided to add enough calcium carbonate to the lake to bring the pH to 6.00.
A fossil was analyzed and determined to have a carbon-14 level that is 42.0 that of living organisms. How old is the fossil
whats the ph of a solution of 1000 mg of vitamin C (176.1 g/mol) in water (Ka = 8*10^5) diluted to 254 mL
Indicate the direction of polarity of each of the following covalent bonds by dragging the appropriate delta notation to each end of the bond.
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