HELP PLEASE !!!!!!
For each of the following masses, calculate the
amount (in mol) of the sample:
a) 7.83 g of lithium chloride, LiCl
8
b) 20.0 g of water, H2O
c) 1.3 x 103 g of calcium chloride, CaCl2
d) 2.79 kg of sodium hydroxide, NaOH
(1 kg = 1000 g)