Question 3 Consider the organic compound with the
formula (CH3)2 C = C(CH3)2
i) Determine the empirical formula of the
compound
ii) Calculate the percentage mass of
hydrogen in the compound​

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents