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Chemistry, 23.08.2021 14:00 memeE15

Lập công thức hóa học của hợp chất biết: a, khối lương C : khối lượng O=3:8
b, khối lượng C: khối lượng H=6:1 pjaan tử khối =56

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Lập công thức hóa học của hợp chất biết: a, khối lương C : khối lượng O=3:8
b, khối lượng C:...
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