A3.0 m hcl(aq) solution contains a total of (1) 3.0 grams of hcl per liter of water (2) 3.0 grams of hcl per mole of solution (3) 3.0 moles of hcl per liter of solution (4) 3.0 moles of hcl per mole of water

zfoods? ok, pressure is used to keep the heat inside and to keep the food perfect.

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.