1. egg was placed in a bottle of vinegar (acetic acid) which dissolved the shell
2. the size of the egg without shell or now exposed cell membrane was noted and then it was placed in a bottle of water
a - pure
b- concentrated solution of salt
3. changes in the texture of the membrane and size of egg was noted
4 - Explain what your expected results would be in both cases.
5 - Suggest with logical explanation what will happen to the eggs in solutions a and b if Mr Cooper left the eggs in his office over the Christmas.