Hi this is a H2 chem question. Can someone help, why ans is D? - Ask.ManyTutors

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junior college 2 | H2 Maths
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junior college 2 H2 Maths Singapore

Hi this is a H2 chem question. Can someone help, why ans is D?

Date Posted: 2 years ago

Views: 555

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Han Song

Han Song

2 years ago

Half time is inversely proportional to the concentration of excess reactant. If 0.1M of NaOH has a half life of t mins, decreasing the concentration by 10 folds will result in a half life of 10t. Thus, the ans is D.