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zheka24 [161]
3 years ago
11

Please help some one I’ve been trying this all day and it’s due in 5 min

Chemistry
1 answer:
Nonamiya [84]3 years ago
8 0

Answer:

1st box = compound

2nd box = pure compound

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How do you dispose a permanent glue?
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If you have the time you can take it to a Waste Management Facility.

Explanation:

Because these unhardened glues are flammable, do not dispose of them in the trash or down the drain. Keep them away from open flames. If the glue is water-based, solidify it and throw it in the trash.

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4 years ago
Currently the periodic table is arranged by increasing atomic number and a clear pattern of properties. please select the best a
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3 years ago
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What elements comprise the largest portion of Earth's atmosphere?​
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3 years ago
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7 0
3 years ago
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Calculate the mass of hydrogen in 500 g of Al(C2H3O2)3
Zigmanuir [339]
<span>Answer is: the mass of hydrogen is 22,05 grams.
m(</span>Al(C₂H₃O₂)₃)<span> = 500 g.
M</span>(Al(C₂H₃O₂)₃) = 27 + 6 ·12 + 9 · 1 + 6 · 16 · g/mol = 204 g/mol.<span>
n</span>(Al(C₂H₃O₂)₃) = m(Al(C₂H₃O₂)₃) ÷ M(Al(C₂H₃O₂)₃).
n(Al(C₂H₃O₂)₃) = 500 g ÷ 204 g/mol.
n(Al(C₂H₃O₂)₃) = 2,45 mol.
n(Al(C₂H₃O₂)₃) : n(H) = 1 : 9.
n(H) = 22,05 mol.
m(H) = 22,05 mol · 1 g/mol
m(H) = 22,05 g.

3 0
3 years ago
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