bestballer3610 bestballer3610 24-04-2024 Chemistry Answered Which one of the following equations is properly balanced? 1) Sn+4HNO₃ → SnO₂+4NO₂+2H₂O 2) 2Na₂SO₄+3Bi(NO₃)3 → Bi2(SO₄)3+9NaNO₃ 3) CH₃CHO+3O2 → 2CO₂⁺2H2