Question

The mass of a quantity of NiCl2 is 24.6 g. How many formula units are in the sample?
A. 3.2 3 1023 NiCl2 formula units
B. 5.3 3 10–21 NiCl2 formula units
C. 1.1 3 1023 NiCl2 formula units
D. 1.9 3 1027 NiCl2 formula units
mols = grams/molar mass
In this case formula unit is that for NiCl2 in what I've called molar mass above. In this case, mols = formula units.

Related Questions

Okay, so how would i work out: How would you prepare 1.00 L of a .5M Solution of NiCl2 from the sa... Okay, so how would i work out: How would you prepare 1.00 L of a .5M Solution of NiCl2 from the sa... What mass of AlCl3 can be formed from 5.000 mol NiCl2 and 2.000 mol Al? Al(s) + NiCl2(aq) → AlC... How many milliliters of .200 M NaOH solutions are needed to react with 40.0 mL of a 0.340 M NiCl2 so...