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Topic: pH CONTROL  (Read 8735 times)

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shriram

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pH CONTROL
« on: November 06, 2004, 09:30:13 AM »
HOW MUCH ACID MUST BE ADDED TO BRING DOWN THE pH OF A DEMINERALISED WATER (1 LIT)FROM pH OF 6.8 TO pH 5.
ALSO HOW MUCH NaOH MUST BE ADDED TO THE I LIT DEMINERALISED WATER, TO  INCREASE THE pH TO 8 FROM 6.8?
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Offline AWK

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Re:pH CONTROL
« Reply #1 on: November 10, 2004, 03:48:35 AM »
Approximately 10-5 moles of eg HCl and 10-6 moles of NaOH
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