Q$4.$ After performing the synthesis of aspirin, two groups of students obtained the following masses of acetylsalicylic acid $($aspirin$).$

Group $1$: $2\mathrm{.}357g$

Group $2$: $2\mathrm{.}735g$

Show ALL steps and mathematical equations involved in your calculations to help the students. Remember to label all steps clearly and use appropriate units.

a$.$ State the equation the students should use to calculate percent yield $(1)$

b$.$ Calculate the percent yield for Group $1($provide your answer to $1$ decimal place$)(1)$

c$.$ Calculate the percent yield for Group $2($provide your answer to $1$ decimal place$)(1)$

d$.$ Which group would you recommend repeat the experiment and why? Discuss. $(1)$