Gaseous sulfur dioxide can be removed rom smokestacks by treatment with limestone and oxygen. 2SO2(g) + 2CaCO3(s) + O2(g) --> 2CaSO4(s) + 2CO2(g)

How many grams of CaSO4(s) are formed when 150.0g of SO2(g) are consumed?

a-319g
b-159g
c-136g
d-150g

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

The crust of earth may a- continets and ocean floors. b-continents only. c-layers of sedimentary rocks and continents. d-all of the above

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?