Comparing the amount of water and salt molecules, which side of the membrane has the most concentrated salt solution? 

0.09 moles of sodium sulfate in 12 ml of solution

What are some natural measures of time

Use the periodic table and your knowledge of isotopes to complete these statements. when polonium-210 emits an alpha particle, the child isotope has an atomic mass of 1-131 undergoes beta-minus decay. the chemical symbol for the new element is fluorine-18 undergoes beta-plus decay. the child isotope has an atomic mass of done intro donne