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Andrew [12]
2 years ago
8

How many molecules are in 2.50 moles of co2

Chemistry
2 answers:
lapo4ka [179]2 years ago
6 0

Explanation:

There are 1.51 x 1024 molecules of carbon dioxide in 2.50 moles of carbon dioxide.

zmey [24]2 years ago
4 0

Answer:

1.51 \times 1024 \:  \: molecules

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First, we need to get moles of NaOH:

when moles NaOH = volume * molarity 

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from the reaction equation:

H3PO4(aq) + 3NaOH → 3 H2O(l) + Na3PO4(aq)

we can see that when 1 mol H3PO4 reacts with→ 3 mol NaOH

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∴ moles H3PO4 = 0.0028 mol / 3 = 9.4 x 10^-4 mol

now we can get the concentration of H3PO4:

∴[H3PO4] = moles H2PO4 / volume

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