what are the coefficients in front of the h₂ and the au if you balance the following unbalanced equation: au₂s₃ h₂ → au h₂s?
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Ответ:
H⁺ + OH⁻ = H₂O
acid and base react, salt and water are formed
NaOH + HNO₃ = NaNO₃ + H₂O
2KOH + H₂SO₄ = K₂SO₄ + 2H₂O