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SL Acids and Bases Chemistry Question


Cherries

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What is the approximate pH of a 0.01 mol dm–3 ammonia solution?
A.    2
B.    More than 2 but less than 7
C.    More than 7 but less than 12
D.    12
 

The correct answer is C. I know that A and B cannot be the answers but how would you do this question without actually doing the math as the answer could be C or D?

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