1. why is phosphoric acid needed in the synthesis of aspirin?

Question

2.what would happen if the phosphoric acid is left out?

Answer 1

can anyone help me with the following question?
1. why is phosphoric acid needed in the synthesis of aspirin?
2.what would happen if the phosphoric acid is left out?

Answer 2

It is needed as a catalyst. If it is left out, the reaction will not happen.