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Consider a solution formed by mixing 67.0 mL of 0.100 M H2SO4, 32.0 mL of 0.100 M HOCl, 25.0 mL of 0.200 M NaOH, 25.0 mL of 0.100 M Ca(OH)2, and 10.0 mL of 0.150 M KOH. Calculate the pH of this solution.
when a stip of zinc metal is placed in a blue aqueous solution of copper (II) sulfate, the surface of the zinc becomes coated with a reddish solid, and the zinc begins to dissolve to form aqueous zinc sulfate. Which of the following statements reg..
What is the equilibrium constant Kc for the reaction below. Assume temperature is 25oC.
If the concentration of bromide ion in a saturated solution in equlibrium with PbBr2 solid is determined to be .0125M what is the solubility of PbBr2
predict the outcome of the synthesis of an azo dye using 4-nitroaniline as the diazonium precursor and benzaldhyde as the coupling agent
At a particular temperature, K=2.0x10^-6 mol/L for the following reaction: 2CO2 (g) at equilibrium with 2CO(g) + O2 (g) If 2.1 mol CO2 is initially placed into a 4.2 L vessel, calculate the equilibrium concentrations for all of the species.
A mixture of helium and neon gases at 237 K contains three times the number of helium atoms as neon atoms. The concentration (n/V) of the mixture is found to be 0.150 mol/L. Assuming ideal behavior, what is the partial pressure of helium
How many outer atoms and lone pairs are present in a molecule with a see-saw geometry
What is the anhydride of each of the following acids. (a) H2SO4 (b) HClO3 (c) HNO2 (d) H2CO3 (e) H3PO4
The standard free energy change for a chemical reaction is +21.9kJ/mole. what is the equilibrium constant for the reaction at 87 degrees?(R=8.314J/K mole.
Calculate the percent ionization of hydrazoic acid (HN3, Ka = 1.9x10^-5) in solutinos of the following concentrations. A) 0.400 M
The following table lists molar concentrations of several ions in seawater. Using a density of 1.022 g/mL for seawater
Calculate the pH at the equivalence point for titrating 0.170 M solutions of each of the following bases with 0.170 M HBr.
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