Hscarx9144 Hscarx9144 11-01-2024 Chemistry contestada It is found that 250 ml of a gas at STP has a mass of 0.675 g. What is the molar mass? 1) 2.70 g/mol 2) 60.5 g/mol 3) 11.2 g/mol 4) 16.5 g/mol 5) 133 g/mol