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Topic: pH question, urgent  (Read 1455 times)

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Offline yoyohs

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pH question, urgent
« on: December 08, 2021, 02:20:45 PM »
Calculate the pH of a solution made by mixing 50.00 mL of 0.10 M NaOH and 25.0 mL of 0.10 M HCl.
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Offline Corribus

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Re: pH question, urgent
« Reply #1 on: December 08, 2021, 02:21:44 PM »
You have to show your work to receive help. This is a forum policy
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Offline yoyohs

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Re: pH question, urgent
« Reply #2 on: December 08, 2021, 02:24:28 PM »
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Offline yoyohs

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Re: pH question, urgent
« Reply #3 on: December 08, 2021, 02:25:04 PM »
Quote from: Corribus on December 08, 2021, 02:21:44 PM
You have to show your work to receive help. This is a forum policy

hi, this is what i did. but it is wrong apparently. https://drive.google.com/file/d/1WeYMRtB20iD7i0H98k9E1nflEnAsgKIl/view?usp=sharing
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Offline Orcio_87

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Re: pH question, urgent
« Reply #4 on: December 08, 2021, 02:29:39 PM »
@yoyohs Half of the NaOH is not neutralised, so pH should be alkaline.
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Offline yoyohs

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Re: pH question, urgent
« Reply #5 on: December 08, 2021, 02:36:07 PM »
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Offline Orcio_87

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Re: pH question, urgent
« Reply #6 on: December 08, 2021, 02:44:53 PM »
pH should be alkaline (above 7).
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Offline yoyohs

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Re: pH question, urgent
« Reply #7 on: December 08, 2021, 02:57:51 PM »
Quote from: Orcio_Dojek on December 08, 2021, 02:44:53 PM
pH should be alkaline (above 7).

OHHH okay i see so i technically calculated [NaOH] so that's pOH, so the pH would be 12.82? (work is the second link i sent, but 14-the answer there). or would it be 12.52 (work is the first link i sent, but 14-the answer there)?
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Offline Orcio_87

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Re: pH question, urgent
« Reply #8 on: December 08, 2021, 03:31:01 PM »
First solution is closer to the truth (pOH = 1,48).
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Offline yoyohs

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Re: pH question, urgent
« Reply #9 on: December 08, 2021, 03:57:19 PM »
Quote from: Orcio_Dojek on December 08, 2021, 03:31:01 PM
First solution is closer to the truth (pOH = 1,48).

thank you! i had posted two other questions, would you mind taking a look at those too?
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