Question

How many moles are in 6.45 x 1023 formula units MgCl2
please show work

Answer 1

Answer:

• Formula unit is nothing but the number of molecules.
• 1 mol contains 6.022×10^23 molecules.
• Therefore number of moles in 6.45×10^23 formula units of MgCl2 =

6.45×10^23/ 6.022×10^23 = 6.45/6.022 molecules.

Answer 2

Answer:

answer is in the pic hop its help u