Trishadennis37 Trishadennis37 06-07-2017 Chemistry contestada which of these equations is balanced? A. 2Nac1+H2so4--->Na2so4+2Hc1 B. 2cao+H20-->CaC0h)2 C. H20+co-->h2c03 D. MN+FE-->mns+fe