Would you expect the average atomic mass of the sample to be closer to the mass of the isotope Carbon-12 (12C) or the isotope Carbon-13 (13C)?

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Calculate the number of moles of ethane in 100 grams

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.