I’m not sure what kind of answer you’re looking for, but if you’re supposed to translate it into a sentence it would be two moles of sodium bicarbonate(baking soda) decompose unto one mole of sodium carbonate(soda ash) plus one mole of water and one mole of carbon monoxide gas
I believe this topic is quantitative chemistry but I need the equation to work this out sorry
Density = Mass ÷ Volume. You get 2.466