How many formula units of CuCl2 are present in 18.42 g?

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point

The gram molecular mass or co2 is the same as the gram molecular mass of