<p>in aces when i am signing up for chem 21L do i need to sign up for the lab(chem 21L9) separately?</p>
<p>Yes, definitely.</p>
<p>in aces when i am signing up for chem 21L do i need to sign up for the lab(chem 21L9) separately?</p>
<p>Yes, definitely.</p>