70g/100ml = 0.7 g/cm^3
Sounds like apples, ashes, cardboard, or a lot of other stuff that floats on water.
No element I can think of has that density.
Maybe you have a table you wish to consult.
An object with a mass of 70g and a volume of 100ml is most likely what substance
2 answers
good bye all of you are telling lies