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Vadim26 [7]
3 years ago
6

Which keystone species feed on other animals and prevent them from damaging the ecosystem?

Chemistry
1 answer:
Arisa [49]3 years ago
8 0
Predators? I just looked it up lol
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Which equation is NOT balanced?
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29.0g silver combine completely with 4.30g of sulfur to form a compound. what is the percent composition of this compound?
Deffense [45]

Answer:

Percentage of silver and sulphur in the compound  is 87.08% and 12.91%  respectively

Explanation:

Given:

Amount of silver = 29.0 g

Amount of sulphur= 4.30 g

To find:

Percent composition of the compound=?

Solution:

\text { percent of compound }=\frac{\text { amount of element }}{\text { Total Molecule Mass }} \times 100

Total Molecule mass = amount of silver + amount of sulphur

Total Molecule mass = 29+4.3  

Total Molecule mass = 33.3g

Percentage of silver:

\text { Percentage of silver }=\frac{\text { amount of silver }}{\text { Total Molecule Mass }} \times 100

=>\frac{29.0}{33.3}\times100

=>0.8708 \times100

=> 87.08%

Percentage of silver:

\text { Percentage of silver }=\frac{\text {amount of suplhur}}{\text { Total Molecule Mass }} \times 100

=>\frac{4.30}{33.3}\times 100

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=> 12.91%

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