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Balance the following chemical equations. a) Na2SO4 + BaCl2 → BaSO4 + NaCl b) Al4C3 + H2O → CH4 + Al(OH)3 c) Pb(NO3)2 → PbO + NO2 + O2

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Balance the following chemical equations.

a) Na2SO4 + BaCl2 → BaSO4 + NaCl

b) Al4C3 + H2O → CH4 + Al(OH)3

c) Pb(NO3)2 → PbO + NO2 + O2

d) Fe2O3 + Al → Al2O3 + Fe

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a) Na2SO4 + BaCl2 → BaSO4 + 2NaCl

b) Al4C3 + 12H2O → 3CH4 + 4Al(OH)3

c) 2Pb(NO3)2 → 2PbO + 4NO2 + O2

d) Fe2O3 + 2Al → Al2O3 + 2Fe

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