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Zanzabum
2 years ago
6

How many particles are present in one mole of particles?

Chemistry
1 answer:
astraxan [27]2 years ago
3 0
D) 6.02 × 10^23

This number is called Avogadro's number and represents the number of moles in 12 grams of Carbon-12.
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To find out how many grams are in 4.65 moles of Al(NO₂)₃
Find out what the molar mass of Al(NO₂)₃ is
Al = 26.98 g/mol Al
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Next, you have to look at the subscripts and figure out which they belong to, in this case:
Al = 26.98 g/mol Al
N₃ = 42 g/mol N₃
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Finally, add the numbers together, so:
26.98 g/mol Al + 42 g/mol N₃ + 96 g/mol O₆ = 
164.98 g/mol Al(NO₂)₃
Now, you have 4.65 mol Al(NO₂)₃ so
164.98 g/mol Al(NO₂)₃ × 4.65 mol Al(NO₂)₃ =
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