Mole Problem 4 Solution

4. How many grams are in 4.25 mol of dinitrogen trioxide (N₂O₃)? Ans: 323 g

Solution:

Given:

4.25 mol
N₂O₃
grams = ?

Formula Weight of N₂O_3:

N: 2 x 14g = 28g
O: 3 x 16g = 48g
total: 28 g + 48 g = 76g or 76g/mol

Grams to Mole:

4.25 mol x 76g/mol = 323g