Convert the following metric measurements: 8 L 17) 1000 mg 18) 198 g - kg 20) 75 ml 21) 250 m 22) 27.5 m mg km 19) 8 mm cm g Calculate and express answers in the correct units and number of significant figures for the following: 23) (0.00600 m)/(0.030 s) 24) (50.75 mL) + (155 mL) - 25) (167.55 g)-(87,3 g) - 26) (5200 cm)(0.07 cm) Use the density formula to solve the following problems. Show all work and the answer must have the correct units. Remember that volume can have different forms. 27) What is the mass of CO gas if a volume of 100 ml has a density of 0.00196 g/mL? Mass