pH to [H+]

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Ellen Tsai 3D
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Joined: Fri Sep 24, 2021 5:55 am

pH to [H+]

Postby Ellen Tsai 3D » Fri Dec 03, 2021 3:22 pm

I don't remember the formula to go from pH to [H+]. or pOH respectively, thanks!

Jack Amos 2I
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Joined: Fri Sep 24, 2021 7:31 am

Re: pH to [H+]

Postby Jack Amos 2I » Fri Dec 03, 2021 3:26 pm

The formula is:

Gabby Burgess 2I
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Re: pH to [H+]

Postby Gabby Burgess 2I » Fri Dec 03, 2021 3:32 pm

Here are all the formulas I have for switching from pOH to pH, hopefully they help.

pH=-log[H3O+]
[H3O+]=10^(-pH)
pOH=-log[OH-]
[OH-]=10^(-pOH)
pH+pOH=14
[H+]=10^(-pH)

Gianna Sciole 2F
Posts: 101
Joined: Fri Sep 24, 2021 7:06 am

Re: pH to [H+]

Postby Gianna Sciole 2F » Fri Dec 03, 2021 4:06 pm

pH = -log[H+]
because of this, we can also say that:
[H+] = 10^-pH
we also know that:
pOH = -log[OH-] (because [H+]*[OH-]=10^-14).
so we can say that:
[OH-] = 10^-pOH
however if you want it using pH, since we know that pH + pOH =14, it would be: [OH-] = 10^-(14-pH)

Diego Gonzalez 1H
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Re: pH to [H+]

Postby Diego Gonzalez 1H » Fri Dec 03, 2021 4:12 pm

In order to get from pH to [H+] you would do 10^(-pH).

Isabelle Kludt 2B
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Re: pH to [H+]

Postby Isabelle Kludt 2B » Fri Dec 03, 2021 4:27 pm

[H+] = 10^-pH

Ameen Shaheen 2I
Posts: 117
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Re: pH to [H+]

Postby Ameen Shaheen 2I » Fri Dec 03, 2021 4:33 pm

H+ Concentration = 10^-pH

Michael 1G
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Re: pH to [H+]

Postby Michael 1G » Fri Dec 03, 2021 10:44 pm

The way to calculate the concentration of Hydrogen ion in solution when given the pH is to take 10 and raise it to the -pH power. Ex: if the pH of a solution is 1 the [H+] would be 10^-1=0.1M.

Emily Hou 1H
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Re: pH to [H+]

Postby Emily Hou 1H » Fri Dec 03, 2021 10:45 pm

[H+] = 10^-pH
pOH= 14-pH

Sean Sanders 1E
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Re: pH to [H+]

Postby Sean Sanders 1E » Fri Dec 03, 2021 10:46 pm

To go from pH to [H+] you just need to work backwards. Because we know the formula for pH = -log[H+], we can rearrange the terms to solve for [H+] which gives us [H+]= 10^(-pH)

Iman Gauhar 3E
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Re: pH to [H+]

Postby Iman Gauhar 3E » Fri Dec 03, 2021 11:02 pm

Hi! Here are the formulas for converting from the different values:
-log[H3O+] = pH
-log[OH-] = pOH
pH + pOH = 14
[pH][pOH] = 10^-14

Joshua Lee 3C
Posts: 103
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Re: pH to [H+]

Postby Joshua Lee 3C » Fri Dec 03, 2021 11:48 pm

To find [H+] from the pH equation, you must simply undo the pH equation. pH=-log[H+]. In other words, to rearrange the equation to get [H+], you would undo the base 10 logarithm and get 10^-pH=[H+]. You can do this same process to find [OH-] from the pOH equation.

Matthew Nguyen 3G
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Re: pH to [H+]

Postby Matthew Nguyen 3G » Fri Dec 03, 2021 11:55 pm

You can find [H+] by using the formula [H+] 10^-pH.

Nicole Ton 3C
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Re: pH to [H+]

Postby Nicole Ton 3C » Sat Dec 04, 2021 12:20 am

To go from pH to [H+], we do pH=-log[H+]. To go from pH to pOH, we do pOH=14-pH

Lindsey Walter 3E
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Re: pH to [H+]

Postby Lindsey Walter 3E » Sat Dec 04, 2021 12:24 pm

To go from pH to [H+], use this formula: [H+] = 10^(-pH).

Bela Patel 2B
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Re: pH to [H+]

Postby Bela Patel 2B » Sat Dec 04, 2021 1:01 pm

To go from pH to [H+], you would do 1*10^-pH and to go from [H+] to pH, you would do -log([H+]).

daniellediem1k
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Re: pH to [H+]

Postby daniellediem1k » Sat Dec 04, 2021 1:05 pm

[H+] = 10 ^(-pH)

HaleyC 2F
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Re: pH to [H+]

Postby HaleyC 2F » Sun Dec 05, 2021 1:25 pm

To go from pH to [H+] you do 10^pH.

madeleinewright
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Joined: Fri Sep 24, 2021 5:36 am

Re: pH to [H+]

Postby madeleinewright » Sun Dec 05, 2021 1:27 pm

To get the pH from [H+], you take 10^-pH.

Julia Todorov 2F
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Re: pH to [H+]

Postby Julia Todorov 2F » Sun Dec 05, 2021 1:58 pm

to get from pH to [H+] you do 10^-pH value! and for pOH you would do 10^-OH

Eszter Kovacs 1A
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Re: pH to [H+]

Postby Eszter Kovacs 1A » Sun Dec 05, 2021 6:00 pm

You can calculate concentration of H+ from pH by 10^(-pH).

Hannah Thornton 1F
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Re: pH to [H+]

Postby Hannah Thornton 1F » Sun Dec 05, 2021 6:50 pm

The formulas to go back and forth from pH to [H+] are: [H+]=10^(-pH) and pH=-log[H+].

Hana Aflatooni
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Re: pH to [H+]

Postby Hana Aflatooni » Sun Dec 05, 2021 6:52 pm

[H+]= 10^-pH

Samantha Toscano 2C
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Re: pH to [H+]

Postby Samantha Toscano 2C » Sun Dec 05, 2021 8:19 pm

Use [H+] = 10^-pH.
Use [OH-] = 10^-pOH. To find pOH -> pOH = 14 - pH

Coraly De Leon
Posts: 105
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Re: pH to [H+]

Postby Coraly De Leon » Sun Dec 05, 2021 8:28 pm

Hi, it is: [H+]= 10^-pH

Anisa Morales 1L
Posts: 104
Joined: Fri Sep 24, 2021 7:36 am

Re: pH to [H+]

Postby Anisa Morales 1L » Sun Dec 05, 2021 8:29 pm

The formula is [H+]=10^-PH

Madelyn_Rios_2c
Posts: 110
Joined: Fri Sep 24, 2021 5:54 am

Re: pH to [H+]

Postby Madelyn_Rios_2c » Sun Dec 05, 2021 9:24 pm

pH=-log[H+]
pOH= -log[OH+] or (14-pH)

Lizzy Bulla 3K
Posts: 69
Joined: Fri Sep 24, 2021 7:20 am

Re: pH to [H+]

Postby Lizzy Bulla 3K » Sun Dec 05, 2021 9:36 pm

The formula is as follows:

[H+] = 10^-pH

Omar Alami 3H
Posts: 111
Joined: Fri Sep 24, 2021 7:32 am

Re: pH to [H+]

Postby Omar Alami 3H » Sun Dec 05, 2021 10:32 pm

Hi,

The formula is . I find this graphic helpful when trying to remember and figure out which conversions to use depending on the context.
Attachments
download.png
download.png (4.19 KiB) Viewed 11250 times

amreen_sandhu1k
Posts: 101
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Re: pH to [H+]

Postby amreen_sandhu1k » Sun Dec 05, 2021 10:38 pm

[H+]=10^(-pH) !

Chris Korban 1D
Posts: 107
Joined: Fri Sep 24, 2021 6:53 am

Re: pH to [H+]

Postby Chris Korban 1D » Sun Dec 05, 2021 10:39 pm

the best way to do it is to just do [H+]=10^-ph

Sally_Luo_3F
Posts: 85
Joined: Fri Sep 24, 2021 5:29 am

Re: pH to [H+]

Postby Sally_Luo_3F » Sun Dec 05, 2021 10:52 pm

it would be [H+]=10^-ph

for example, if ph is 3 then the value for H+= 10^-3

Omeed Kalan
Posts: 112
Joined: Fri Sep 24, 2021 6:10 am

Re: pH to [H+]

Postby Omeed Kalan » Sun Dec 05, 2021 10:53 pm

Its just -log[H+]=pH
and 10^-pH

Maddie Klee 3K
Posts: 101
Joined: Fri Sep 24, 2021 5:59 am

Re: pH to [H+]

Postby Maddie Klee 3K » Sun Dec 05, 2021 11:20 pm

Hi! To go from pH to [H+], you simply use the equation: 10^-pH.

Sophia Hartwell 1F
Posts: 65
Joined: Fri Sep 24, 2021 5:42 am

Re: pH to [H+]

Postby Sophia Hartwell 1F » Sun Dec 05, 2021 11:47 pm

The formula is [H] = 10^-pH. With that being said, to find [OH], the formula is [OH] = 10^-pOH. Hope this helps!

Mahli Martinez 2I
Posts: 102
Joined: Fri Sep 24, 2021 7:14 am

Re: pH to [H+]

Postby Mahli Martinez 2I » Sun Dec 05, 2021 11:48 pm

To convert pH to [H+], use the formula pH= 10^-pH. Some scientific calculators actually show this as the inverse calculation!

AndreyCastellanos 3H
Posts: 59
Joined: Fri Sep 24, 2021 5:46 am

Re: pH to [H+]

Postby AndreyCastellanos 3H » Sun Dec 05, 2021 11:55 pm

pH = -log[H+]
&
[H+] = 10^-pH

Gabby Burgess 2I
Posts: 101
Joined: Fri Sep 24, 2021 5:34 am

Re: pH to [H+]

Postby Gabby Burgess 2I » Sun Mar 13, 2022 10:13 pm

To pH to [H+], you want to use the formula 10^-pH=[H+]. It also works for the [OH-] to pOH conversion as well.

Shannon Clark 1F
Posts: 112
Joined: Fri Sep 24, 2021 6:00 am

Re: pH to [H+]

Postby Shannon Clark 1F » Sun Mar 13, 2022 10:22 pm

to go from pH to [H+] the equation is:

[H+] = 10^-pH

similarly, to convert from pOH to [OH-]:

[OH-] = 10^-pOH

505468108
Posts: 37
Joined: Mon Jan 09, 2023 8:22 am

Re: pH to [H+]

Postby 505468108 » Thu Jan 19, 2023 9:45 am

pH = -log([H30+])
[H3O+] = 10^-pH

Audrey2B
Posts: 66
Joined: Mon Jan 09, 2023 8:50 am

Re: pH to [H+]

Postby Audrey2B » Thu Jan 19, 2023 5:53 pm

Anything with a p in front of it means take the -log. PH is the -log of the concentration of hydronium ions.


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