viết PTHH biểu diễn sơ đồ chuyển đổi sau : Na2O __> NaOH __> Na2SO3 __> SO | Na2SO4

2 câu trả lời

na2o + h2o --> 2naoh

2naoh + so2 --> na2so3 + h2o

2naoh + h2so4 --> na2so4 + 2h2o

na2so3 + h2so4 --> na2so4 + so2 + h2o

Bạn tham khảo!

$\rightarrow$ $\text{1) Na2O+H2O$\rightarrow$2NaOH}$

$\text{Oxit Bazo tan+H2O$\rightarrow$Bazo}$

$\rightarrow$ $\text{2) 2NaOH+SO2$\rightarrow$Na2SO3+H2O}$

$\text{Bazo tan+Oxit Axit$\rightarrow$Muối+H2O}$

$\rightarrow$ $\text{3) Na2SO3+2HCl$\rightarrow$2NaCl+H2O+SO2↑}$

$\text{Muối+Axit$\rightarrow$Muối mới+Axit mới}$

$\rightarrow$ $\text{4) 2NaOH+H2SO4$\rightarrow$Na2SO4+2H2O}$

$\text{Bazo+Axit$\rightarrow$Muối+H2O(Phản ứng trung hòa)}$

#TRANPHAMGIABAO

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