Complete the stoichiometry table using the starting values provided. reagent mol
ID: 1054222 • Letter: C
Question
Complete the stoichiometry table using the starting values provided. reagent molecularweight mass (g) mmoles equivalents density
(g/mL) vol.
(mL) bromobenzene 0.448 2.122 magnesium 1.358 benzophenone 1 diethyl ether 28.161 theoretical product triphenylmethanol melting point of triphenylmethanol (°C) Select the name of the catalyst used for this reaction, if there was no catalyst used, select none: bromobenzenemagnesiumbenzophenonediethyl ethernone Complete the stoichiometry table using the starting values provided. reagent molecular
weight mass (g) mmoles equivalents density
(g/mL) vol.
(mL) bromobenzene 0.448 2.122 magnesium 1.358 benzophenone 1 diethyl ether 28.161 theoretical product triphenylmethanol melting point of triphenylmethanol (°C) Select the name of the catalyst used for this reaction, if there was no catalyst used, select none: bromobenzenemagnesiumbenzophenonediethyl ethernone
Explanation / Answer
Completion of stoichiometric table
Reagent FW (g/mol) mass (g) mmoles Equiv.
Bromobenzene 157.01 0.448 2.853 2.122
magnesium 24.30 0.044 8.221 1.358
benzophenone 182.22 0.245 1.344 1.000
diethyl ether 74.12 2.810 37.86 28.161
theoretical yield = 1.344 x 10^-3 x 260.33 = 0.350 g
triphenylmethanol 260.33 0.350 1.344 1.000
melthing point of triphenylmethanol = 162 oC
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