Explain removing the valence electron from potassium
Which is more difficult: removing the valence electron from Potassium or removing the valence electron from sodium after the latter has been excited to the 4s level? Why?
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If barium needs a minimum frequency of 6.07x10^14 s-1 to eject electrons, calculate the kinetic energy of the electron emitted when barium is illuminated with a wavelength of 385 nm.
Write a balanced net ionic equation for the reaction that takes place during titration.
Use the law of constant composition to complete the following table summarizing the amounts of iron and chlorine produced upon the decomposition of the sample of iron(III) chloride.
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You take a 15.00 mL aliquot of a 0.175 M acetic acid solution and a 30.00 mL aliquot of a 0.145 M sodium acetate solution and dilute to 100.00 mL. What is the pH of the resulting buffer?
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