The mass in grams of 4.60 mol of nitrogen is 129g.
Mass of any substance will be calculated by using their moles as:
n = W/M, where
W = required mass
M = molar mass
Given molar mass of nitrogen (N₂) = 28.02 g/mol
Given moles of nitrogen (N₂) = 4.60 mole
On putting these values on the above equation and calculated for W, we get
W = (4.60 mol)(28.02 g/mol)
W = 128.89g = 129g
Hence the required mass is 129g.
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