Flash Speed Questions

The solution time is much shorter than you think.

/ d?n khí co d? quan ?ng s? ??ng 34,2 gam hh x ch?a fe2o3 , al2o3 , mgo ??n khi p? hoàn toàn thu ???c ch?t r?n a. hoà tan a trong dd naoh d? th?y kh?i l??ng ch?t r?n b thu ???c b?ng 65,306% kh?i l??ng a. hoà tan b b?ng dd hcl 1m v?a ?? c?n x lit dd hcl, khí thoát ra ? ?ktc là 4,48 lit. tính % kh?i l??ng các ch?t trong x và th? tích dd hcl ?ã dùng. Get the answer
Category: ecology | Author: Sagi Boris


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