A sample containing 0.400 mol of a compound is composed of 2.41 × 1023 atoms of sodium, 14.19 g of chlorine atoms, and 19.22 g of oxygen atoms. The formula of the compound is A. NaCl2
B. NaClO
C. NaClO4
D. NaClO3
E. NaClO5

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

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

Which is true about metals used for jewelry, such as platinum and gold? a. they have low flammability. b. they have low reactivity. c. they have high flammability. d. they have high reactivity.