2 Answered Questions for the topic Acid-base

02/23/20

Electron Withdrawing vs Electron Donating groups
Hello, could someone please explain how to determine if an R group is more electron withdrawing or donating in a benzene ring (e.g. phenols etc.) (especially explain if oxygen is electrowithdraw or... more
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Acid Base Chemistry Ph

01/08/18

If I dissolve a Tums tablet(1000 mg of CaCO3) in 25 ml of water and then add 25 ml of a 0.1N HCl, what Is the pH of the mixture?
I know that CaCO3 isn’t very soluble in water. I crushed the tablet and added water to create a suspension. I then measured the pH and found it to be on average about 9. If I then add 25 ml of 0.1... more
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Expert Answers •1

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