What is the empirical formula of a compound that is 40% sulfur and 60% oxygen by weight?
a. so
b. so3
c. so2
d. s6o4

What is the mass of 8 moles of sodium atoms

Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)