u/Basic-Eggplant9119

I need help how do I find the listing reagent and the mass of something produced and stuff. I’m confused on how like the ratio things work and coefficients and little numbers

https://preview.redd.it/4fycc1li0iyg1.jpg?width=859&format=pjpg&auto=webp&s=ed04880d224402cf30c429f5757441b07eca7884