seokjin13062011 seokjin13062011

05-07-2021
Chemistry

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một oxit của photpho có thành phần trăm của P bằng 43,66% . Biết phân tử khối của Axit bằng 142đvC. Công thức hóa học của Axit là ?

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crxssaint5 crxssaint5

05-07-2021

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