A chemist must prepare 800mL of potassium hydroxide solution with a pH of 13.90 at 25C.?
He wi...
Chemistry, 21.04.2020 20:47 romeroalexis817
A chemist must prepare 800mL of potassium hydroxide solution with a pH of 13.90 at 25C.?
He will do this in three steps.
1. fill a 800mL volumetric flask about halfway with distilled water.
2. weigh out a small amount of solid potassium hydroxide and add it to the flask.
3. fill the flask to the mark with distilled water.
Calculate the mass of potassium hydroxide that the chemist must weigh out in the second step.
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