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Rufina [12.5K]
2 years ago
8

State whether each of the following is a molecular element molecular compound or ionic compound.

Chemistry
1 answer:
Goryan [66]2 years ago
5 0
1.molecular element
2.ionic compound
3.molecular compound
4. molecular compound
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10. Isolation of a pure sample of the third product, which has been determined to be an isomer of the major and minor products,
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Answer:

Four possible isomers (1–4) for the natural product essramycin. The structure of compound 1 was attributed to essramycin by 1H NMR, 13C NMR, HMBC, HRMS, and IR experiments.

Explanation:

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7 0
3 years ago
What is the percentage composition of each element in Fe(OH)3
Bezzdna [24]

Answer:

Fe =52.2%, O = 44.9%, H = 2.81%

Explanation:

Percentage composition is also known as percentage by mass.

First, find the Mr of the compound.

Mr of Fe(OH)₃ = 55.8 + (16 × 3) + (1 × 3)

= 106.8

Now Divide the mass of the element, as per the compound, by the Mr of the compound found and times that by 100.

% composition of Fe = \frac{55.8}{106.8} × 100 = 52.2%

% composition of O = \frac{16*3}{106.8} × 100 = 44.9%

[There are 3 oxygen atoms in the compound Fe(OH)₃, so we will multiply the atomic mass of oxygen with the number of atoms in the compound: 16×3 ]

% composition of H = \frac{1*3}{106.8} × 100 = 2.81%

[There are 3 hydrogen atoms in the compound Fe(OH)₃, so we will multiply the atomic mass of hydrogen with the number of atoms in the compound: 1×3 ]

3 0
2 years ago
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