well whats one i could do at home precisely ? as we are not allowed to borrow or do it at school. && for sea water and soft drink; where do i get the sea water from ?Seawater composition, soft drink composition etc. You can do almost anything provided you have the right stuff to do precise measurements with.
Uh... the beach where there is seawater? If you do not have a precise electronic balance, I suggest you get one from somewhere. Two decimal places might not be precise enough to get good results, so try get one with as many places as you can.well whats one i could do at home precisely ? as we are not allowed to borrow or do it at school. && for sea water and soft drink; where do i get the sea water from ?