A 22.06 gram sample of chromium is heated in the presence of excess oxygen. A metal oxide is formed with a mass of 32.24 g. Determine the empirical formula of the metal oxide.

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

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?

Calcium chloride +gold(1) oxide—>