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Find the pH of a 0.2 m solution of acetic acid. Ka for acetic acid at 25 degrees C is 1.75 x 10^-5.
a.) assume ideal behavior
b.) use the Debye-Huckel Limiting Law
c.) use the davies equation
The water level in a graduated cylinder was at 211 rises initially it raised to 270 after adding a piece of lead is submerged. Determine the mass in grams of the lead?
How many grams of the element nickel are contained in 10.0g of a 10.2 wt% solution of nicke sulfate hexahydrate, NiSO4*6H2O?
a solution is prepared by dissolving 20.0 g of NaI in enoug water tomake 300.mL of solution How many moles of ions are in 25.mL of thesolution?
Use the Henderson-Hasselbalch equation to calculate the pH of a solution that is 11.5g of HF and 25.0 g
Write a chemical equation for the formation of methionyl glycine from the constituent amino acids.
What volume would be occupied by 100 g of oxygen at a pressure of 1.50 atm and a temperature of 25ºC?
what is the molarity of an aqueous solution containing 360g of glucose in 2.0L of solution.
When chlorine reacts with 2-methylpropane and replaces only one hydrogen with chlorine
the normal boiling point for mercury is 357c. what is the boiling point at an elevation where the atmospheric pressure is 635 torr.
Question enthalpy and entropy values are given and were asked to find boiling point of mercury
Which of these is not a protease that acts in the small intestine?
Calculate the osmotic pressure of each starting solution and that of the mixture, assuming that the volumes are additive and that both salts dissociate completely into their component ions
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