Answer to Question #168093 in General Chemistry for Dalal

Question #168093

A solution of washing soda ( sodium carbonate, Na2CO3 ) has a hydroxide ion concentration of 0.004 mol dm-3. What is the pH at 25C ?


1
Expert's answer
2021-03-02T02:01:06-0500

pH = 14 - pOH = 14 + lg(0.004) = 11.6


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