Calculating the pH of Strong Bases

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  1. MaChemGuy
  2. Chemistry
  3. A2 Chemistry OCR F325 - Calculating the pH of Strong Bases
  4. Revision
  5. Tutorial
  6. A level
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Комментарии
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CAN'T THANK YOU ENOUGH FOR THESE VIDEOS :-)

GK
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I think there's also another way of working this out. You can just work out the 'pOH' and take that away from 14 i.e. 14 − -log(OH concentration).
So take the first question in the video for example.
• -log(0.1) = 1
• 14-1 = 13
...which is the pH.

khameeselbayouk
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why didnt he square the hydroxide ion, instead of multiplying it by 2. For question 2

mikaelaprim
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sir what about Calculating the pH of weak Bases? Do you have a video on that? I tried looking for it. I couldn't find it.

rubaetm
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YOU are AMAZING! God bless you.
Dental student struggling in her first termin

solna
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sir, why do you use Kw, isn't it for only water. but this is a base? why don't you use Ka

malanhemal
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Why does the Kw always have to be at 298k, is it so that the equilibrium doesnt change depending on the temp increasing or decreasing?

samiali
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WHERE DID THE H+ IONS COME FROM?? NOT IN THE EQUATION

ferdousreza
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Is there any rule of thumb for how many s.f to give the answer to?

ummewaseem
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Hi there, your videos are really helpful, thank you so much, can I get your email plz ?

ishaqmullazada