how many kilograms can be recovered from 712 kg of the ore Al2O3?

0 ⤊

how many kilograms can be recovered from 712 kg of the ore Al2O3?

can u please show work. i want to truly understand it.

2007-07-28 11:53:19 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Earth Sciences & Geology

2 answers

Assuming 100% recovery of aluminum from bauxite you multiply 712 kgs by the atomic weight of aluminum divided by the molecular weight of bauxite. The atomic weight of tow atoms of aluminum is 2*27=54 and the molecular weight of bauxite is 2*27+3*16=102
712*(54/102)=377 kg.

2007-07-28 14:32:09 · answer #1 · answered by Amphibolite 7 · 0⤊ 0⤋

712

Kg means Kilogram

2007-07-28 19:40:27 · answer #2 · answered by 22 4 · 0⤊ 1⤋