After evaporating the solvent from your chosen fraction(s), you will weigh the remaining desired alkene product(s).Sandy Student obtained a final mass 73 mg. Given that Sandy started with 0.47 mmol of 2-nitrobenzaldehyde and 0.52 mmol of methyl (triphenylphosphoranylidene)acetate, what is their precent yield?Express your answer rounded to the nearest percent (e.g., 102%).