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Old May 29th 2017, 11:27 AM   #1
harrybabel
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How to neutralise NaOH and Na2SO3 solution

Hello
I need help to find out how to calculate acid volume to neutralise alkaline solution of 0.5mole NaOH and 0.5mole of NaSO3. I am going to use HCl probably about 28%. The solution is used for desalination of metal objects. The capacity is about 250litres. I will be appreciated for help and if it possible for references where I can find such information.

Thanks in advance

Marcin
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Old May 30th 2017, 06:47 AM   #2
anoymous
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well you need 1 mole HCl per mole NaOH, the same goes for NaSO3.
so what you need to do: convert the HCl concentration (that is a mass/mass percentage you gave?) to a molar concentration, and then you can use basic stoichiometry
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