Answer
4 bottles of acid are needed.
Work Step by Step
Find the total amount of acid needed.
$85mL\times45=3825mL$
Convert mL to L by moving the decimal.
$3825mL=3.825L$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.