Comments on: O Level Chemistry: Mole Concepts / Chemical Calculations http://www.simplechemconcepts.com/chemistry-question-mole-concepts-chemical-calculations-7/ O-Level Chemistry Made Easy Sat, 14 Jan 2012 03:43:17 +0000 hourly 1 http://wordpress.org/?v=3.0.4 By: rose http://www.simplechemconcepts.com/chemistry-question-mole-concepts-chemical-calculations-7/comment-page-1/#comment-7110 rose Thu, 21 Oct 2010 10:22:07 +0000 http://simplechemconcepts.com/chemistry-question-mole-concepts-chemical-calculations-7/#comment-7110 that is the relative atomic mass of br- that is the relative atomic mass of br-

]]> By: Kay http://www.simplechemconcepts.com/chemistry-question-mole-concepts-chemical-calculations-7/comment-page-1/#comment-2545 Kay Sun, 13 Sep 2009 10:27:59 +0000 http://simplechemconcepts.com/chemistry-question-mole-concepts-chemical-calculations-7/#comment-2545 hello i was wondering from where did 80 come from ? thats not avogadro's number... (6X10^23) then what is it? Please reply Thnx alot! hello i was wondering from where did 80 come from ? thats not avogadro’s number… (6X10^23) then what is it?

Please reply
Thnx alot!

]]> By: Kay http://www.simplechemconcepts.com/chemistry-question-mole-concepts-chemical-calculations-7/comment-page-1/#comment-2530 Kay Tue, 08 Sep 2009 11:33:56 +0000 http://simplechemconcepts.com/chemistry-question-mole-concepts-chemical-calculations-7/#comment-2530 I really had difficulty to answer this, ...! I m self-teaching AS chemistry .. its tough, and things like this, are pure hard.;. ! but thanks for posting this! -- from Morocco I really had difficulty to answer this, …! I m self-teaching AS chemistry .. its tough, and things like this, are pure hard.;. ! but thanks for posting this!

– from Morocco

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