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This forum is specially for those studying Chemistry SPM to share their study tips, answering technique.

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Q 21 DODOL!

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chem2u :: Trial Question & Exercises :: Trial 2009 from Other States :: Trial Negeri Sembilan

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Q 21 DODOL! Empty Q 21 DODOL!

Post by fathiah amran Thu Sep 02, 2010 7:09 am

how come the answer is D?
how to calculate ahh???
HAIYOH!!! Embarassed

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Q 21 DODOL! Empty Answer!

Post by Athira Syafiqa Rosli Thu Sep 02, 2010 7:11 am

Pay attention to the word particle.
Techer taught us the difference between particle, ion and molecule last monday.
Wink
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Athira Syafiqa Rosli

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Q 21 DODOL! Empty Re: Q 21 DODOL!

Post by anissuaidah Thu Sep 02, 2010 7:14 am

because the ques said the particle.. glacial ethanoic acid means no present of water..so the acid cant be ionise..
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Q 21 DODOL! Empty Glacial ethanoic acid

Post by Admin Thu Sep 02, 2010 7:16 am

Glacial ethanoic acid only consist of ethanoic acid molecules. No presence of water.
Ethanoic acid does not ionises in water to produce hydrogen ions and ethanoate ions.

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