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junior college 1 | H2 Maths
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h2 chem !! i get 20 but ans is 40 . why 40 ??
Date Posted: 4 years ago
Views: 501
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If u look at the salt carefully, the c2o4 appears 2 times, thus the mole will be twice that of the salt. Hope this helps.
Date Posted:
4 years ago
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