Arrash

Dr. Bob, this is one equation where the arrow blongs between the top part of the equation, and the bottom part of the equation. So between ___ H2O2 and ___ KxFey(C2O4)z·nH2O. To Find X, Y, Z, and N you need the mass percents which are 34.9 %, 11.4 %, 42.7...