Asked by Rose
Why would NAOH solution need to be added when preparing the K2CrO4 stock solution?
Answers
Answered by
bobpursley
the chromate ion is unstable, and in slightly acid solutions, it changes to the dichromate ion. So adding the sodium hydroxide keeps the pH basics, and keeps the chromate ion a chromate ion.
Answered by
Rose
Thanks to bobpursley for answering my question.
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