6.4k views
1 vote
How many particles are in 0.645g of CaCl2

User GiladG
by
3.3k points

1 Answer

8 votes

Answer:

~ 3.5 x 10^21

Step-by-step explanation:

Mole weight of Ca Cl2 ( from periodic table ) = ~~ 111 gm

.645 gm / 111 gm / mole X 6.022 x 10^23 =

User OnklMaps
by
3.4k points