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# How many liters of fluorine gas, at standard temperature and pressure, will react with 23.5 grams of potassium?

How many liters of fluorine gas, at standard temperature and pressure, will react with 23.5 grams of potassium metal?

2 K + F2 2 KF

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- 10 years agoFavorite Answer
You got the correct equation (missing the --> ) so you know you need half as many moles of F2 as you have K. Go to your periodic table and figure out how many moles of K you have, halve that, and then figure out how many liters that many moles of F2 will occupy. I think STP is 22.5 liters per mole, but you better double check your chemistry book on that.

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