u/Adventurous-Read-837

I dont even know if thats how u spell it lol, basically i have a test tmr and am fucked so like how to i know what format to use between the composition of unknown compounds, limiting reagents, and precent yield. I find stoich really hard to comprehend im sorry. Pls helo a gal out. All i under stand is 1. Balance 2. Turn mass to moles (or opposite?) 3. use moles ratio 4. Use molar mass of req substance. I dont fully get sig figs and this is the main instruction we were given. ugh i just need to pass atp