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Amiraneli [1.4K]
2 years ago
13

How many atoms are there in 90.2 g of selenium?

Chemistry
1 answer:
tia_tia [17]2 years ago
3 0

Answer:First calculate the moles of selenium by multiplying the mass x molar mass 90.2 × 78.96 = 7122.2 moles. Number of moles multiplied by ...

Explanation:

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To learn more, visit the link below:

brainly.com/question/3702349

8 0
3 years ago
The exoskeleton of a housefly is made up of
OverLord2011 [107]

Answer:

Chitin

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A fly's main body is made of a thorax and an abdomen. These parts are covered by a hard exoskeleton made of a bony substance called chitin.

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