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Pipet 6.6 mL of a sample solution into a 250.00 mL volumetric flask and dilute to the mark with distilled water. Then, pipet 2 mL of this diluted solution into a 50.00 mL volumetric flask and dilute to the mark with distilled water. What is the dilution factor of the final solution?
Ignore the volume of water, and determine the final volume of the reaction mixture at 1.00 atm and 298 K if the reaction goes to completion.
A solution contains 0.021 M Cl? and 0.017 M I?. A solution containing copper (I) ions is added to selectively precipitate one of the ions. At what concentration of copper (I) ion will a precipitate begin to form? What is the identity of t..
A chemist produces 460 mL of oxygen gas at - 43 °C and constant pressure. To what Celsius temperature must the oxygen be warmed in order for it to have a volume of 600 mL?
Write ionic and net ionic equations for the following reactions. (Use the lowest possible coefficients. Include states-of-matter under SATP conditions in your answer.)
How much energy (in calories) is needed to heat 17cm^3 of fat from room temperature (25 C) to its melting point (35 C)?
A line in the Paschen series of hydrogen has a wavelength of 1280nm. From what state electron originate ?
Calculate the moles of silver nitrate and sodium chloride. (c) Which reactant is the limiting reagent? (d) Determine the theoretical yield in grams of silver chloride formed.
Calculate the mass of Cu(NO3)2·3H2O needed to prepare 50.0mL of a 0.50 M Cu(II) solution?
Determine osmolarity of solution when 25.0 grams of aluminum chloride dissolves in 2.50 liters of H2O.
Dicarbonyl compounds, such as benzil, can be characterized by reaction with o-phenylenediamine to form a substituted quinoxaline.
if 625g of fe3o4 is produced in the reaction, how many molecules of hydrogen are produced at the same time?
if 2.67 mL of 0.205 M KOH is required to completely neutralize 25.0mL of a CH3COOH solution, what is the molarity of the acetic acid solution?
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