Manganese makes up 1.3 ´ 10–4 percent by mass of the element… Post author By Anonymous Post date January 20, 2025 Related Posts:Manganese makes up 1.3 ´ 10–4 percent by mass of the…Manganese makes up 1.3 ´ 10–4 percent by mass of the…Element X (molar mass = 15 g/mol) and Element Y… ← Solve the system by the substitution method. If there is no… → Free Response Question B1: Answer this on your paper in the…