(b) The sodium sulfate solution was made by dissolving 28.4g of sodium sulfate in water to make 250 cm of solution.
Calculate the concentration of this solution in g dm?.
Give your answer to three significant figures.

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)