Chemistry, 14.10.2019 07:30 changav36832
An unknown solution changed the color of a phenolphthalein indicator from colorless to pink. what would you comment about the ph of the unknown solution? a. the given solution is acidic in nature. b. the given solution is basic in nature. c. the given solution is neutral in nature.
Answers: 2
Chemistry, 23.06.2019 03:20, coollid876
High-pressure liquid chromatography (hplc) is a method used in chemistry and biochemistry to purify chemical substances. the pressures used in this procedure range from around 500 kilopascals (500,000 pa) to about 60,000 kpa (60,000,000 pa). it is often convenient to know the pressure in torr. if an hplc procedure is running at a pressure of 1.03×108 pa , what is its running pressure in torr?
Answers: 3
Chemistry, 23.06.2019 05:00, pmbeachy3102
If 15 drops of ethanol from a medicine dropper weigh 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? density of ethanol is ethanol is 0.80g/ml.
Answers: 2
An unknown solution changed the color of a phenolphthalein indicator from colorless to pink. what wo...
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