What is the number of moles of molecules in each sample (28.2 g sodium chloride, 47.9 g nitrogen monoxide, 4.80 kg carbon dioxide, and 2.34 mg carbon tetrachloride)?

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

How did planetesmals form planets? a. they broke apart into smaller chunks. b. they collided and stuck together. c. they cooled and pulled ice together. d. they began to rotate.

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at