1)How many grams of mixture are there if 200mL of methanol is mixed with 350mL of benzene?2)A compound is a common first-aid antiseptic. The products of its combustion reaction in the presence of oxygen gas are water and carbon dioxide. This compound is composed of carbon hydrogen and oxygen. If 7.003 g of this compound produces 13.379 g carbon dioxide and 8.217 g water what is the empirical formula of this compound?3)A compound made only from mercury and sulfur is 86.2% HgHg by mass. The molar mass of this compound is 465 g/mol. Determine the empirical formula and the molecular formula of this compound.