It would begin osmosis on it. If you put it in vinegar for example water would begin to seep through the membrane.
Yes, exactly: to point out new perspectives to expand people's one-sided views on issues.
Options? I'm thinking P Waves.
Percent composition by mass is calculated (mass of element within compound)/(mass of compound)*100. The lower the total molar mass of the compound, the greater the percent composition of sulfur. In this case, MgS would be that compound, since Mg has the lowest molar mass of the four elements bonded to S.