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junior college 2 | H2 Maths
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Jennifer
Jennifer

junior college 2 chevron_right H2 Maths

Help! Whats with the 2.9?

Date Posted: 6 years ago
Views: 484
Peir Yong
Peir Yong
6 years ago
When it says MgO it means Mg atom to O atom in the compound is 1:1, Cr2O7 means Cr to O is 2:7.

So LaH2.9 means La to H is 2.9

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Tan Kiat Boon
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