Calculate the percentage, by mass, of fluorine in sulfur hexafluoride (SF6), a potent greenhouse gas. A) 78.0%
B) 59.2%
C) 22.0%
D) 82.1%
E) 85.7%

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

Complete each row of the table below by filling in the missing prefix or missing exponent.

How many formula units in 2.63 mols of nacl?