Which of these equations is balanced?
Ah2o co ---> h2co3
B2nacl h2so4 ----> na2so4 2hcl
C2cao h2o ----> ca(oh)2
Dmn fe ----> mns fe?
Ah2o co ---> h2co3
B2nacl h2so4 ----> na2so4 2hcl
C2cao h2o ----> ca(oh)2
Dmn fe ----> mns fe?