Question

a mixture of 100 grams of water is mixed with 100 grams of sodium nitrate at 30 degrees celcius if filtered how much salt would be left behind

Answer 1

Look at the solubility curve for sodium nitrate. That tells you how much will be dissolved. http://staff.prairiesouth.ca/~chemistry/chem30/graphics/4_graphics/sol_curve.jpg

Answer 2

I don't get the table tough i don't understand.

Answer 3

it is shown on the graph; just look for NaNO3 at temperature 30, the gram of solute (NaNO3) is roughly 96g.