Part 1. A chemist reacted 18.0 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 290. K and 1.5 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.

Question

Part 1. A chemist reacted 18.0 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 290. K and 1.5 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.

Vocaloid · Answer

Ideal gas law: PV = nRT

Plug in your pressure (1.5 atm), Volume (18.0 liters), R (the ideal gas constant, or 0.0821 L*atm/molK to match our units) and T (290K) to find the moles F2

Use the balanced equation to convert moles F2 to moles NaCl

Finally, multiply by the molar mass of NaCl to get the mass NaCl in grams

Vocaloid · Answer

Part 2) at STP, 1 mole of ant gas = 22.4L, so start with 18.0 L F2, divide by 22.4 to get moles F2, use the balanced equation to get moles NaCl, multiply by the molar mass of NaCl

Vocaloid · Answer

*any gas