Your yield of crude product is 1.852 g. How many mL of 1 M NH3 (aq)

Molar Mass for ammonia: 17.03 g/mol

1.852 g of ammonia is yield of crude product.

1.852 g
------- = 0.10875 mol
17.03 g/mol

0.10875 mol * 1 L
----- = 0.10875 L
mol

0.10875 L * 1000 mL
------- = 108.7 mL
1 L