If 1.00 g of an unknown molecular compound contains 4.55 * 10 (exp)21 molecules, what is its
molar mass?

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

Which position represents spring in the southern hemisphere? a) b) c) d)