please do 11-20

4. 14 m 10. 21.3 cm + 1.3 cm 16 cm 11. 114em + 0.1032m 41,0 m 12. 12.50 m : 0.53 cm 13. (8.25 g/mL)(114 mL) 14. 61.2 g/mol)(1.250 mol) 15. (3.28 g/mL)(1.2 L) 16. (2.58 g/s) (5.5 min) 17. (16.0 g) = (32.0 g/mol) 18. (1.5 mol/L)(72.18 g/mol)(115.5 mL) 19. (44.0 g/mol)(1.48 mol) 20. (101.3 kPa)(22.4 L)(273'K) (31.48 L) (97.5 kPa)(230.K)