017 5.0 points An oxygen molecule at 25°C has a speed of about 854 meters per second. Express this speed in miles/hour. (1 mi = 5280 ft) 1. 0.000523 miles/hour 2. 12300 miles/hour 3. 3070000 miles/hour 4. 19100 miles/hour 5. 0.0001 17 miles/hour 6. 0.531 miles/hour