Объяснение:
4fes2+11o2=2fe2o3+8so2
so2+h2o=h2so3
h2so3+mgcl2=mgso3 +hcl
h2so3+mgcl2=mgso3 +hclmgso3+h2so4=mgso4+so2+h2o
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Объяснение:
4fes2+11o2=2fe2o3+8so2
so2+h2o=h2so3
h2so3+mgcl2=mgso3 +hcl
h2so3+mgcl2=mgso3 +hclmgso3+h2so4=mgso4+so2+h2o