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Topic: pH levels/chemical test  (Read 940 times)

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Offline Lucas B

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pH levels/chemical test
« on: January 24, 2019, 05:34:29 PM »
Hello, I am working on my lab and I have been researching on the internet about cholesterol for a lab which we have to identify the compound. Does anyone know the pH of cholesterol? I can't find it anywhere. Also is there any chemicals I can mix with cholesterol that would have a unique reaction to confirm it is that compound?

Offline hypervalent_iodine

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Re: pH levels/chemical test
« Reply #1 on: January 24, 2019, 07:07:34 PM »
Have you learnt about the difference between acids and bases at school yet?

Offline Lucas B

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Re: pH levels/chemical test
« Reply #2 on: January 24, 2019, 07:40:43 PM »
Yes i have

~Lucas

Offline hypervalent_iodine

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Re: pH levels/chemical test
« Reply #3 on: January 24, 2019, 07:46:00 PM »
Do you think that there are any acidic or basic groups in the cholesterol molecule?

Offline Lucas B

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Re: pH levels/chemical test
« Reply #4 on: January 24, 2019, 08:04:23 PM »
im not sure we haven't really done much. Most of the research have been from myself

Offline hypervalent_iodine

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Re: pH levels/chemical test
« Reply #5 on: January 24, 2019, 08:11:51 PM »
im not sure we haven't really done much. Most of the research have been from myself

Can you look at the structure and see if you can answer the question, or is this a bit above what you’ve learned?

Online Borek

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Re: pH levels/chemical test
« Reply #6 on: January 25, 2019, 02:50:02 AM »
Does anyone know the pH of cholesterol?

pH is not a property of a substance, it is property of a solution.

Asking "What is pH of a hydrochloric acid" doesn't make much sense - pH of 0.1 M solution of HCl is 1, pH of of 0.0001 M solution is 4. So, which answer - 1 or 4 - would be the right one?
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Offline Lucas B

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Re: pH levels/chemical test
« Reply #7 on: January 25, 2019, 07:18:43 AM »
it was above what i have learned and i mean mixed in water

Offline hypervalent_iodine

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Re: pH levels/chemical test
« Reply #8 on: January 25, 2019, 08:24:20 AM »
it was above what i have learned and i mean mixed in water

As Borek says, pH is not a property of a substance. Perhaps try changing your search terms when looking it up. What you are really trying to figure out is whether your substances are acidic, basic, or neutral, so try that instead.

Offline Lucas B

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Re: pH levels/chemical test
« Reply #9 on: January 25, 2019, 10:12:15 AM »
I have tried that and I was unfortunately not able to find anything about it

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