Question

Compound formula: MgCl2

Element: Mg

# of Atoms: 1

Element: Cl

# of Atoms: 2

gram formula weight (g): 95.21

Compound Formula: Na2CO3

Element: Na

# of Atoms: ??

Element: C

# of Atoms: ??

Element: O

# of Atoms: ??

gram formula weight (g): ??