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topics covered: mole concept, empirical formula balance eqn
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BOMB MINISTRY OF EDUCATION SINGAPORE!!! IMAO! JOKING LAH REMEMBER YOUR CHEMISTRY 4EVA! SO SAYS YOUR LORD MANGUANG :P I AM LORD MANGUANG I HAVE COME HERE TO SAVE YOU PEEPS YOU HAVE 18 DAYS LEFT FOR O LEVELS. MAY GOD BLESS YOU.
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