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Starting with a 10% solution and making a series of 1:100 dilutions, how many dilutions must you make to prepare 0.1 ppm (part per million) solution? How many ppb's (parts per billion) is this concentration?
Calculate the minimum concentration of Mg2+ that must be added to 0.10 M NaF in order to initiate a precipitate of magnesium fluoride. (For MgF2, Ksp = 6.9 ? 10-9.)
This method assumes that no argon was trapped in the rock when it was formed frothe molten material. A meteorite was found to have equal amounts of 40K and 40Ar. a) Of the potassium-40 that was originally present, what fraction has decayed? b) how..
What is the concentration of dissolved O2 in blood (or water) at this partial pressure and a normal body temperature of 37C? The solubility of O2 in water at 37C and 1atm partial pressure is 1.93x10^-3 mol/L?
A solution is prepared by dissolving 179 g sucrose (C12H22O11) in enough water to produce 1.15 L solution. What is the molarity of this solution?
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached
Write the structural formula for each of the following compounds.
A liquid has a H vaporization of 35.5kJ/mol and a boiling point 0f 122 degrees celcius at 1.00 atm.What is its vapour pressure at 109 degrees celcius.
If 25.00 mL of 0.20 M HCl is titrated with 0.20 M NaOH, what is the pH of the solution after the addition of 20.00 mL of NaOH?
What are 5-8 characterstics that affect BP of a compound. Also, how would you order them in order of most important to least important
Dry ice sublimes at room temp. If 10.0 g of solid dry ice is placed in a 400 mL container, what will be the pressure in the container at 35 degrees C
If equal volumes of BaCl2(aq) and NaF(aq) solutions are mixed together, which will NOT give a precipitate (Ksp of BaF2 = 1.7 x 10-7)?
Consider the structure of 1-butanol and explain why this alcohol does not undergo SN1 reactions.
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