May 2021 5 184 Report
Giup minh lam bai nay zoi !!!!?

cho 8g hon hop gom Fe va Mg tac dung voi H2S04 loang 20% . sau phan ung thu dc 4.48 lit khi

a ) tinh thanh phan % ve khoi luong

b) tinh khoi luong dung dich H2s04 20% can dung

c ) tinh C% cac muoi thu dc sau phan ung

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