1. What is the empiracle formula for a compund composed of 27.49% Pb, 55.51% Bi, and 17.00% S?
2. How much antimony would I get from 2400 grams of boulangerite ore (pb5sB4s11)?
3. Determine the percents of composition for barium and silicon in Celsfan ore (BaA12Si208)?
4. What is the empiracle formula for a compound composed of of 50.2% Sr, 17.71% P and 32.00% O?
I honestly have no idea, I need these answers or I'm doomed
