Measuring the surface of an oil painting and finding its dimensions 12 to be 12 inches
Answer:
28.9%
Explanation:
Let's consider the following balanced equation.
2 FeS₂ + 11/2 O₂ ⇒ Fe₂O₃ + 4 SO₂
We can establish the following relations:
- The molar mass of Fe₂O₃ is 159.6 g/mol
- 1 mole of Fe₂O₃ is produced per 2 moles of FeS₂
- 1 mole of Fe is in 1 mole of FeS₂
- The molar mass of Fe is 55.84 g/mol
The amount of Fe in the sample that produced 0.516 g of Fe₂O₃ is:
The percent of Fe in 1.25 g of the ore is:
Pajamas
Out fit for each day + 2 extra
Athletic clothes
Light hoodie
Bathing suit + cover up
Underwear
Socks
Bra's
Sunscreen
Moisturizer
Makeup
Makeup remover
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Shaving cream
Razor
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Lotion
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Tooth brush + toothpaste
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Hope this helps you take off anything you don't want or anything you don't need
The percentage of atoms in the universe that are hydrogen are 90%