The molar mass of copper(II) chloride (CuCl2) is
134.45 g/mol. How many formula units of CuCl2
are present in 17.6 g of CuCl2?
o 7.88 x 1022 formula units
o 1.84 x 1023 formula units
o 1.91 x 1023 formula units
o 1.42 x 1024 formula units
DONE

Smog is the term used to describe the combination of fog and smoke

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.