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secondary 3 | Biology
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Escher
Escher

secondary 3 chevron_right Biology

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Date Posted: 7 years ago
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Christmas MT
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ericia teo
Ericia Teo
7 years ago
Answer for 3a has 1 minor mistake in calculation. 28n+ 56= 196
28n=140
n=5
Fe(CO)subscript5 -known as pentacarbonyl