Question

Reagents Required # of mmol Required mass (mg) Actual mass used (mg) Actual # of mmol Magnesium 2.1 mmol 51.03 51.4 2.1 Bromobenzene 2.5 mmol 392.52 410.2 2.61 Methyl benzoate 1.0 mmol 136.15 141.5 1.04 • The mass of the pre-weighed watch glass = 19.8550 g • The mass of the watch glass + the product = 19.9508 g • The actual yield of the product = 0.0958 g • The limiting reagent = Magnesium • The theoretical yield =

          Reagents
Required # of mmol
Required mass (mg)
Actual mass used (mg)
Actual # of mmol
Magnesium
2.1 mmol
51.03
51.4
2.1
Bromobenzene
2.5 mmol
392.52
410.2
2.61
Methyl benzoate
1.0 mmol
136.15
141.5
1.04
• The mass of the pre-weighed watch glass = 19.8550 g
• The mass of the watch glass + the product = 19.9508 g
• The actual yield of the product = 0.0958 g
• The limiting reagent = Magnesium
• The theoretical yield =