Jk's answer to Mani's Secondary 4 Biology Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Jk
Jk's answer
71 answers (Tutor Details)
1st
Water potential is the same thus there is no net water movement of water molecules via osmosis

Since there is no movement of water.. the mass remains the same and the ratio of initial to final mass is 1:1