12 points
How many formula units are in 12.50 g of NaCl? *

1.287 x 1028
1.287 x 10 23
1.214 x 1025
1.2 x 10 25

What is the mass of 4 molecules of co2

Which statement can best be concluded from the ideal gas law?

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m