chemistry 112 pre and post lab questions

i need it as soon as possible max 3 hoursits chemistry 112 pre and post lab questions 7-8 total for 2 different experiments the questions are the first 3 pics which i have attachedand the rest of the  pics are the experiment sheer for the post questions experiment  please don’t sign the hand shake until you 100 percent sure that you can do itas short as possible just answering the questionthank you