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Topic: calculation of volume  (Read 1622 times)

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Offline jmjengland

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calculation of volume
« on: May 28, 2019, 10:19:01 AM »
Dear All,

I would like to ask for help with this challenge please.

Calculate volume of 20% NaOH which is needed to increase pH of NaCl from 2 to 7 with volume of NaCl 60 cubic meter.

Thank you for any help.
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Offline Borek

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Re: calculation of volume
« Reply #1 on: May 28, 2019, 10:33:20 AM »
Quote from: jmjengland on May 28, 2019, 10:19:01 AM
increase pH of NaCl from 2 to 7

NaCl solutions don't have pH around 2. If the pH is 2, solution contains also something else. No way to answer the question without knowing what.

Please note you have to show your attempts at solving the problem to receive help, this is a forum policy.
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Offline jmjengland

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Re: calculation of volume
« Reply #2 on: May 28, 2019, 11:43:55 AM »
Yes you are right. NaCl solution contains HCl.
HCl so
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