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junior college 2 | H2 Maths
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mint
Mint

junior college 2 chevron_right H2 Maths chevron_right Singapore

please help with chemistry, thank you

Date Posted: 3 years ago
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Chen Dewei
Chen Dewei's answer
17 answers (Tutor Details)
Hope this helps! For (i), I simplified the working at the end because the concentrations of acid and base are the same, so the ratio of volumes of acid and base will be the same too. For (ii), just calculate n(H+) from original pH which remains unchanged as you only add water to the solution, then divide n(H+) over new volume to find new [H+], then -lg it to find pH.