# Give the number of atoms of the specified element in the formula unit of the following compound and calculate the molecular (formula) mass: oxygen in the mineral leadhillite,  Pb4SO4(CO3)2(OH)2.

Question

Give the number of atoms of the specified element in the formula unit of the following compound and calculate the molecular (formula) mass: oxygen in the mineral leadhillite,

Pb4SO4(CO3)2(OH)2.