Describe the ph of a solution prepared by mixing solution
Calculate the pH of a solution prepared by mixing 15.0 mL of 0.10 MNaOH and 30.0 mL of 0.10 M benzoic acid solution. (Benzoic acid ismonoprotic; its dissociation constant is 6.5x10-5.)
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Light with a wavelength of 405 nm fell on a strontium surface, and electrons were ejected. If the speed of an ejected electron is3.26 x 105 m/s.
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