How many atoms are there in 90.2 g of selenium?
1 answer:
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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Answer:
combination
Decomposition
single displacement
double displacement
combustion
Redox
Explanation:
I'm not sure about 2 but in 3 it would float
Ok A is the correct answer
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