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A solution contains 0.25 M Ni(NO3) and 0.25 M Cu(NO3)2. Can metal ions be separated by slowly adding Na2CO3. Assume that for successful separation 99% of the metal ion must be precipitated before the other metal ion begin to precipitate, and assume that no volume change occurs on addition of Na2CO3
an aqueous solution formed by dissolving 1.62 grams of anhydrous aluminium chloride in 50.0 grams of h2o has a freezing
A volume of water was delivered using a buret and experimentally determined to have a mass of 2.00-g. What was the final volume of water on the buret if the inital was 0.44-mL? [assume the density of water is 1.00g/mL]
the titration of 40.0ml of 0.200M HONH2 (Kb=1.1 x 10-3) by 0.100 M HNO2. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added
cindy an overweight high school student is overheard telling her friend that shes going to research how she can
the solubility of n2 in water is 2.2 x 0.0001 g in 100 g of h2o at 20 celcius when the pressure of nitrogen over the
After you have added 1 N HCl to adjust the pH of the Tris solution to 8.1, what is the ratio (in mmols) of Tris to Tris-HCl in the resulting buffer solution
If 24 mL of 6.2 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
THF followed by basic peroxide and then acid. Give thpse three products; use arrows demonstrating electron movement to show details of the reactions, including the peroxide cleavage of the B-C bond.
What is the wavelength of light in unites of nm emitted when the elctron in a hydrogen atom undergoes a transition from level 7 to level 1
Could someone please explain why synthesized soap and detergent have different reactions when they are mixed with calcium chloride
what is the temp of the final solution after thermal equilibrium is established? The heat of neutralization -56kj/mol. Assume there is not heat lost to the surroundings. Also assume the specific heat of the solution is 1.0 Cal/g*c and the density ..
How would you determine the dS and dH for Cu2+ binding soil given K (distance) values at two different temperatures
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