How many moles of molecular oxygen will be needed for the complete combustion of 100.0 g of sulfur dioxide? The product of this reaction
is sulfur trioxide.

A. 0.7804 moles
B. 1.561 moles
C. 0.641 moles
D. 1.281 moles

The answer is A. 0.7804 moles

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.