If the chemist mistakenly makes 225 mL of
solution instead of the 200 ml, what mo-
lar concentration of sodium nitrate will the
chemist have actually prepared?
Answer in units of M.

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

You exhale co2 which is produced during cellular respiration.  co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid.  the more physical activity you engage in, the more co2 your body is producing.  you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw.  can you see a change in the color of the indicator?

How many neutrons does an element have if its atomic number is 50 and its mass number is 166