It has to be dilute since the crystal dissolved and unsaturated for the same reason so B
If they are in the same group they have the same valence electrons but since I cannot see what you’re talking about I’m not sure what your question is
A. Both the cell membrane and the nuclear membrane are protective coverings.
The answer would be 5.5g because you have to subtract 8.2 minus 2.7 and you get 5.5g so basically the answer is C.
