Part 1. A chemist reacted 12.0 liters of F2 gas with NaCl in the laboratory to form Cl2 gas and NaF. Use the ideal gas law equation to determine the mass of NaCl that reacted with F2 at 280. K and 1.50 atm. F2 + 2NaCl → Cl2 + 2NaF Part 2. Explain how you would determine the mass of sodium chloride that can react with the same volume of fluorine gas at STP.

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- STP:  

Explanation:

Hello,

In this case, for the given reaction, we can notice a 1:2 mole ratio between fluorine and sodium chloride, thus, for the given volume, temperature and pressure, we compute the moles of reacting fluorine:

Therefore, given the aforementioned 1:2 mole ratio and the molar mass of sodium chloride (58.45 g/mol) we can compute its reacting mass:

Now, at STP, we must change both temperature and pressure to 273.15 K and 1.00 atm respectively, so the reacting moles of fluorine for the same volume are:

And the mass of sodium chloride via the same previous procedure:

Regards.

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