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# 20 L of chlorine gas at stp in moles?

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- 7 years agoFavorite Answer
@ stp 1 mol = 22.4 L

so the its 22.4 L/mol @stp

if 20 L @ stp

then just 20 L / (22.4 L/mol)

0.893 mol

NOTICE: mol comes to the top because it is in the denominator of the denominator and the litres cancel out

Hope that helps!

Source(s): this year in cham, pretty confusing at first! - plays_poorly...Lv 77 years ago
20 L of chlorine gas at stp in moles?

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20 liters chlorine / 22.4 liters/mole =

0.893 moles, although with correct sig figs,

that's 0.9 moles.

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