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successive dilution problem. A 10-mL transfer pipet and a 200-mL volumetric flask are used to make 0.100 M and 0.0050 M solutions from a stock solution of 2.000 +/_ 0.005 M. Calculate the percent relative error for the three solutions if perfect technique is used. Report the two new molarities. (The error in a 10-mL transfer pipet is 0.02, and the error in the 200-mL volumetric flask is 0.1)
carboxylic acid is burned in oxygen, producing 1.462 g of CO2 and 0.6019 g of H2O. Determine the empirical formula of the carboxylic acid.
Use the de Broglie relationship to determine the wavelengths of the following objects: an lithium atom moving at 2.5*10^5m/sUsing Heisenberg's uncertainty principle,
how the hydrogen oxalate ion can be both a bronsted acid and a bronsted base
Consider a rigid, adiabatic, impermeable cylinder (i.e., a closed isolated system) that consists of two chambers (i.e., simple systems) that are separated by a wall that is permeable
what is the pH of a solution of 125ml of 3.5 M of CH3COOH and 25ml of 1.25 M of NaOH ?
For the equilibrium H2(g)+ CO2 (g) H20 (g) + CO(g) Kc = 3.18 at 1106K. If each of the four species was initially present at a concentration of 3.000M, calculate the equilibrium concentration of the CO(g) at this temperature
In the titration of 68.0 mL of 1.0 M methylamine, CH3NH2 (Kb = 4.4 10-4), with 0.49 M HCl, calculate the pH under the following conditions.
What was the Ka value calculated by the student if the pH of the solution was 2.60? Express your answer numerically using two significant figures
Give the structure of the phosphorus ylide and carbonyl compound you might use to prepare the following alkenes
Chloral hydrate (C2H3Cl3O2) is a drug formerly used as a sedative and hypnotic. It is the compound used to make "Mickey Finns" in detective stories.
How many grams of CaCl2 would be required to produce a 3.5 M (molar) solution with a volume of 2.0 L.
mpurities tend to increase the melting point of a pure solid.
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