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murderlabz
RIP Stoneman


Registered: 05/18/19
Posts: 551
Loc: The Multiverse
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Re: Significant difference in isopropyl alcohol? [Re: gizmo1]
#26537342 - 03/15/20 07:51 PM (4 years, 3 months ago) |
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Quote:
gizmo1 said: Can I get a crash course in figuring percentages?
https://www.calkoo.com/en/solution-dilution-calculator
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A.k.a
Stranger



Registered: 10/27/19
Posts: 17,168
Loc: Gaming the system
Last seen: 4 hours, 1 minute
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Re: Significant difference in isopropyl alcohol? [Re: gizmo1]
#26537349 - 03/15/20 07:54 PM (4 years, 3 months ago) |
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I want to say 7 parts water to 4 parts alcohol but idk.
I figure if it was 100% you’d go 7 to 3, so 10% more alcohol is 3.3 parts...
Now I’m lost.
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LAGM2020     
Edited by A.k.a (03/15/20 07:56 PM)
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InfiniteDreams


Registered: 10/25/19
Posts: 1,224
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Re: Significant difference in isopropyl alcohol? [Re: gizmo1]
#26537396 - 03/15/20 08:17 PM (4 years, 3 months ago) |
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Quote:
gizmo1 said: If I mix 50% and 70% 50/50 what percentage will I get.
I'll go out on a limb here and say 60%. (It's right in the middle...)
Quote:
gizmo1 said: How many oz of distilled water do I need to add to 16oz of 91% to get it to around 70%? Is there a formula I can use to figure % I suck at math.
Can I get a crash course in figuring percentages?
Trick here is the dilution has to be calculated first. what is the alcohol to water? 16oz of 91% is how much alcohol to water? And the alcohol volume will stay the same. (it is just 16 * .91)
16oz of 91% iso = 14.56oz of iso and 1.44oz of H2O.
How much total volume will you have for 70% iso? This is 14.56 / .7 = 20.8 oz
But remember, you were not pure, you already have 1.44oz of H2O there. So you need to add 20.8 - 14.56 - 1.44 = 4.8oz of high quality H2O.
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TranscendingLife
I Don't Need a Life to Live



Registered: 06/09/10
Posts: 21,627
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Re: Significant difference in isopropyl alcohol? [Re: InfiniteDreams]
#26537429 - 03/15/20 08:35 PM (4 years, 3 months ago) |
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-------------------- AMU: We Quickly Answer Questions Here "One must accept the probability of failure to experience the elation of success." - TranscendingLife “A man of genius makes no mistakes; his errors are volitional and are the portals of discovery.” - James Joyce
      How I Do EVERYTHING      "Your vision will become clear only when you can look into your own heart…. Who looks outside, dreams; who looks inside, awakes."- Carl Jung "Anything that can be done chemically can be done by other means."- William S. Burroughs "You are as dead now as you will ever be" - Seth
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InfiniteDreams


Registered: 10/25/19
Posts: 1,224
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Re: Significant difference in isopropyl alcohol? [Re: TranscendingLife]
#26537459 - 03/15/20 08:50 PM (4 years, 3 months ago) |
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Make it simpler. Need 20.8oz. Have 16oz. Add 4.8oz of H2O.
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gizmo1



Registered: 06/15/11
Posts: 3,831
Loc: FREEDOM
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Re: Significant difference in isopropyl alcohol? [Re: TranscendingLife]
#26537487 - 03/15/20 09:00 PM (4 years, 3 months ago) |
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Quote:
InfiniteDreams said: Make it simpler. Need 20.8oz. Have 16oz. Add 4.8oz of H2O.
If that's not simple enough round up. Need 21oz. Have 16. Add 5oz. Lol thanks ID.  Quote:
TranscendingLife said:

Gor some reason I feel like I just saw a ghost. Lol how ya been TL?
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Noisecontrol
Test Tube Baby



Registered: 05/07/15
Posts: 729
Last seen: 1 month, 1 day
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Re: Significant difference in isopropyl alcohol? [Re: gizmo1]
#26616060 - 04/20/20 06:51 PM (4 years, 2 months ago) |
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TL.... o_o thought you died.
--------------------
 Happy to help, happier to learn Feel free to slide in my DM To the man in a wheelchair who stole my camouflage jacket... ...you can hide but you can't run... Trade List
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