Lbond7446 Lbond7446 23-12-2022 Chemistry Answered The mass of 560 cm3 (at STP) of an unknown gas is 1.60 g. This gas could becarbon dioxide (44 g/mol)hydrogen (2 g/mol)sulfur dioxide (64 g/mol)chlorine (71 g/mol)oxygen (32 g/mol)