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masya89 [10]
3 years ago
7

Does a fish's scales shred as the fish grows larger

Chemistry
1 answer:
tia_tia [17]3 years ago
7 0

Answer: No.

Explanation: Unless a disaster happens to their environment their scales will only grow.

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1) Compund Ir (x) O(y)

2) Mass of iridium = mass of crucible and iridium - mass of crucible = 39.52 g - 38.26 g = 1.26 g

3) Mass of iridium oxide = mass of crucible and iridium oxide - mass of crucible = 39.73g - 38.26g = 1.47g

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moles of oxygen = mass of oxygen / molar mass of oxygen = 0.21 g / 15.999 g/mol = 0.0131

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Divide by the least of the number of moles, i.e. 0.00656

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Answer: Ir O2
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