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A physiological saline solution contains 154 mEq/L each of Na+ and Cl-. How many moles of Na+ are in 1.00L of the saline solution?
Calculating concentration in equilibrium, At pH 6.00 and pE 2.60, what is the concentration of Fe2+ (mol/L) in equilibrium with Fe(OH)3?
How many mL of 0.220 M of NaOH are needed to completely hydrolyze 2.40 grams of propyl acetate.
Give explanation why it is not practical to evaluate the solubility of the two salts AX and BY2, by simply comparing the solubility product constants?
Calculate the molar solubility of strontium chromate in water at 298 K if Ksp = 3.6 * 10-5.
Kc = 9.7 at 900 K for the reaction NH3(g) + H2S(g) --> NH4HS(s) If the initial concentrations of NH3(g) and H2S(g) are 2.0 M, what is the equilibrium concentration of H2S(g)?
Assume a wind turbine with a hub 50 meters above the ground, a rotor diameter of 75 meters and a wind-conversion efficiency of 25 percent.
In the early days of the periodic table, the 1870s, both silicon and tin were known elements, but germanium was unknown. Using these trends and the densities of silicon and tin that you just obtained, estimate the density of germanium?
Example of reducing agent mechanism, Using Curved arrows to symbolize the flow of electrons, write the mechanism for the steps involved in the conversion of 9-fluorenone
A 50.0 mL sample of 0.55 M benzoic acid, C6H5COOH, a weak monoprotic acid, is titrated with 0.47 M NaOH. Calculate the pH at the equivalence point. Ka of C6H5COOH = 6.5 10-5
What solution will have the lowest boiling point?? 0.075 M CaCl2 0.020 M Na3PO4 0.050 M KNO3 0.025 M NH4NO3 0.10 M C6H12C6
What is the purpose of Sodium phosphate dibasic when used to make ethanol via fermentation?
A solution was prepared by dissolving 28.0g of KCl in 225g of water. Calculate the mass percent of KCl in the solution.
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