Br2 480 grams =________________moles density=_______________________
Br2 480 grams = 480/79.9 = 6 moles. ( molar mass of Br2 is 79.9)
Density = 79.9/.o821x 273 = 3.56 g per liter. ( using density = g/V = (molar mass) x P/RT
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