Answer:
Explanation:
I,II, and III
so a cat and a mouse walk in to a store
PH
Molar mass of Ca = 40 g / mol , given 123 g Ca is 123/40= 3.075 moles,
1 mole = 6.022 * 10^23 atoms, so 3.075 moles Ca= 18.51*10^23 atoms
same as his
1.2,dibromoethane is the sha'awa .
