HYDROGEN
Each of the hydrogen atoms in H2 has an oxidation number of 0.
displacement reaction
KClO3+3H2SO3=KCl+3H2SO4
3h2so4+fe203------>fe2(H2So4)3 + H20 conc.
This redox reaction also requires an acid as H2SO4 , the overall reaction is.... 5H2C2O4 + 2KMnO4 + 3H2SO4 = K2SO4 + 2MnSO4 + 10CO2 +8H2O
There are two hydrogens in H2SO4. So there are six hydrogens in 3H2SO4.
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Calcium phosphate reacts with sulfuric acid to form calcium sulfate and phosphoric acid.
ACTUALLY The answer is: 3H2SO4 + 2K3PO4 = 3K2SO4 + 2H3PO4 Because the last answer was not balanced correctly.
The balanced equation for aluminum reacting with sulfuric acid is 2Al + 3H2SO4 -> Al2(SO4)3 + 3H2.
57.6
3 x H2 = 6.