Câu 6. a. Viết PTHH xảy ra khi P2O5 tác dụng với nước. b. CO2, SO2, SO3, N2O5 cũng tác dụng với nước tạo sản phâm lần lượt là H2CO3, H2SO3, H2SO4, HNO3. Viết PTHH.

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