If 150 G of war started burning 300 G of where as was left behind how many grams of CO2 gas is released

Can someone me with 1 to 4 plz. fast

The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.

What does an electron configuration for an atom relate to the atoms placement on the periodic table