A mixture of NaBroz, NaHCO3, Na, CO3, and NaBr was heated, producing H, O, CO2, and 0, gases by the following equations. 2 NaBro,(s) 2 NaBr(s) + 302 (8) 2 NaHCO3(s) Na, 0(s) + H2O(g) + 2 CO2(g) Na, CO (8) Na, O(s) + CO2(g) If 136.5 g of the mixture produces 1.95 g of H, 0, 18.83 g of CO2, and 7.39 g of 02, what was the mass of each compound in the mixture? Assume complete decomposition of the mixture. NaBr does not react under the reaction conditions. mass of NaBro, g mass of NaHCO,: g mass of Na, Co, mass of NaBr: g What is the empirical formula of a compound composed of 37.9 g of potassium (K) and 7.75 g of oxygen (O)? Insert subscripts as needed. empirical formula: KO