Sodium metal reacts with water to form aqueous sodium hydroxide and hydrogen gas. which equation below best describes the balanced equation for this reaction? na + h2o → naoh (aq) + h2 (g) 2na + 2h2o → 2naoh (aq) + h2 (g) na + h2o → naoh (aq) + h (g) 2na + h2o → na2oh (aq) + h (g) s + h2o → soh (aq) + h (g)