- How many formula units make up 30.0 grams of magnesium chloride?

Discover Questions

A 10-kg piece of metal displaces 1.6 L of water when submerged.? A 1.550-m3 sample of a pure metal having a density of 21.40 g/cm3
is known
to contain 1.024×1029 atoms. identify the
metal.? A sample of a gas in a balloon, originally had a volume of 7.6L, pressure 661torr. change of pressure to 728torr. New volume in L? A drop of mercury has a volume of 22.0 mL and a density of 13.55 g/cm3
.
How many atoms of mercury are contained within this drop? Anyone know how to do this chemistry problem?