7. During titration, a stopcock is used to O clamp and secure the titrator O measure exactly 5 mL of titrant O release one drop at a time from the titrator O add NaOH to the titrator 8. The volume of titrant used during a titration will always be the exact same throughout three trials. O True O False 9. The concentration of acetic acid in vinegar is represented by the units O mL/mol O mol/L O mL O mol