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Balance the following chemical equations. a) NaOH + H2SO4 → Na2SO4 + H2O b) Hg (NO3)2 + KI → Hgl2 + KNO3 c) H2 + O2 → H2O

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Balance the following chemical equations.

a) NaOH + H2SO4 → Na2SO4 + H2O

b) Hg (NO3)2 + KI → Hgl2 + KNO3

c) H2 + O2 → H2O

d) KClO3 → KCl + O2

e) C3H8 + O2 → CO2 + H2O

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a) 2NaOH + H2SO4 → Na2SO4 + 2H2O

b) Hg (NO3)2 + 2 KI → Hgl2 + 2KNO3

c) 2H2 + O2 → 2H2O

d) 2KClO3 → 2KCl + 3O2

e) C3Hg + 5O2 → 3CO2 + 4H2O

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