kaylasaltacc2 kaylasaltacc2 17-02-2024 Chemistry contestada Hydrogen gas reacts with bromine according to the following equation: H2(g) Br2(g)→2HBr(g) A reaction mixture initially contains 7.280 g H2 and 256.7 g Br2 . Once the reaction has completed, what mass of the excess reactant remains?
