How many moles are in 8.5 x 1025 molecules of CO2?

5.1 1049 mol

7.1 x 10–3 mol

1.4 x 102 mol

8.5 x 1025 mol

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ilzinhootigee ilzinhootigee · Answer 1 · 2018-11-11T21:36:02+01:00

Hey there!

1 mole of CO2 ------------------- 6.02*10²³ molecules

( ?? moles of CO2 ) ---------------- 8.5 * 10²⁵ molecules

moles of CO2 = ( 8.5*10²⁵ ) * 1 / ( 6.02*10²³ )

moles of CO2 = 8.5*10²⁵ / 6.02*10²³

moles of CO2 = 1.4 * 10² moles

Answer C

Hope that helps!

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AarushiAanand AarushiAanand · Answer 2 · 2022-06-11T11:41:05+02:00

The statement, that describes the number of moles of CO₂ gas "1.4 × [tex]10^{2}[/tex] mol."

The mole is a measure of how many elementary entities of a certain material are present in an object or sample.

1 mole of CO₂ will be of 6.022 × [tex]10^{23}[/tex] molecules CO₂

Then,

[tex]= \frac{1\;mol}{6.022\;*\;10^{23} molecules}\;.\;8.5*10^{23} \;molecules\;of \;CO2[/tex]

= 1.411 × [tex]10^{2}[/tex] mol CO₂

Hence, the correct option is 1.4 × [tex]10^{2}[/tex] mol.

Learn more about molecules here

https://brainly.com/question/19922822.

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