Answer:
Mass = 653.84 g
Explanation:
Given data:
Mass of water = 492 g
Mass of lithium hydroxide = ?
Solution:
Chemical equation:
Li₃N + 3H₂O → 3LiOH + NH₃
First of all we will calculate the number of moles of water.
Number of moles of water:
Number of moles = mass/ molar mass
Number of moles = 492 g/ 18 g/mol
Number of moles = 27.3 mol
Now we will compare the moles of water with lithium hydroxide.
H₂O : LiOH
3 : 3
27.3 : 27.3
Mass of lithium hydroxide:
Mass = number of moles × molar mass
Mass = 27.3 mol × 23.95 g/mol
Mass = 653.84 g
