What is the endpoint volume (Ve) of the titration of 50.00 mL of 0.025 00 M MES with 0.100 0 M NaOH, where MES is a weak acid with pKa = 6.27? Additionally, describe the behavior at each of the four stages of the titration: Va = 0, 2, 5, 10, 10.1, 11, 12, ...
Which 0.1 M solution will turn phenolphthalein pink? A. HBr(aq) B. CO2 (aq) C. LiOH (aq) D. CH3OH (aq) How much 6.0M sodium nitrate solution should you use to make 0.585 L of a 1.2 M solution? If the pH of a 0.15 M solution of HF is 2.00, what is the Ka and percent ...
What is the color of a phenolphthalein indicator in an acidic solution? 1. A substance with a pH of 9 is considered {Blank}. \\ 2. If red litmus paper is used to test the substance it would turn what color? \\ a. basic; red b. acidic; red c. acidic; blue d. ...
An example of an indicator is Phenolphthalein.Answer and Explanation: The given indicator goes from colorless to blue from a pH of 9.3 to 10.5. The pKa value of an indicator is close to the middle of the useful range...Become a member and ...
The scientific study of matter's characteristics and behaviour is known as chemistry.andare different from the normal vocabulary. It is a branch of natural science that examines the building blocks of matter, including the atoms, molecules, and ions that make up compounds and their composition, ...
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Alternatively, absorbance spectroscopy may be used with a pH indicator to calculate the pH usingBeer's law. Spectroscopic pH measurements using a single acid-base indicator are accurate to within one pKa value. Combining two or more indicators increases the accuracy of the measurement. ...
What are the uses of potassium carbonate? What information does the pH give about a solution? What is arachidonic acid? What is the pH scale used for? What is the pH of rain? What is the pH of lemon juice? What is pKa in biochemistry?