Question

a

Answer 1

@zepp

Answer 2

what's wrong zepp? why you keep disappearing and appear again?

Answer 3

How many atoms are in 197 g of Calcium

Answer 4

Ask my internet, he shall give you the answer ;[

Answer 5

Internet cutting off from time to time, can't do anything for that lol

Answer 6

First you need to transform that 197g into mol, remember to always work with appropriate units.

Answer 7

how do you transform that into mol?

Answer 8

just put 197/1 ?

Answer 9

First you need to know Calcium's density, how many grams per mole, then the rest is a ratio problem

Answer 10

omg I feel like taking my router and kick it lol

Answer 11

\[197 g Ca (\frac{1 mole Ca}{40.08 g Ca})(\frac{6.022x10^{23}}{1 mole Ca})=\]