Answer:
40 Grams
Explanation:
Fe2O3 is 2 parts Iron 3 parts Oxygen.
Assuming the molecular weights of both are equivalent (<em>ideal elemental law</em>), it is a 2:3 ratio, or 2/5 of the total.
2/5 of 100 is 40, so the answer is
40 grams
Area is length times width, so you would want to undo that. Since this is a square and the sides are equal, you would find the square root of 81 which is 9. Each side of the square is 9 meters
<span>The higher % of Alcohol is recommended for cleaning electronic equipment--less water, so less likely to cause rusting.
Yes, Alcohol eliminates bacteria. </span>
The answer is <span>C.lithium (3), boron (5), and fluorine (9)</span>