(06.04 HC) Part 1. A chemist reacred 18.0 liters of F2 gas with NaCl in the laborat
the mass of NaCl that reacted with F, ar 290. K and 1.5 atm.
F2 + 2NaCI — C1, + 2NaF
Part 2. Explain how you would determine the mass of sodium chloride
(8 points)

Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer

Idon’t understand this page, can someone ?

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false