How many moles of oxygen atoms are in 125 g of ba3(po4)2?

1.6 moles of oxygen atoms

Explanation:-

According to avogadro's law, 1 mole of every substance weighs equal to its molecular mass and contains avogadro's number of particles.

To calculate the number of moles, we use the equation:

1 mole of contains = 8 moles of oxygen atoms

0.2 moles of contain= moles of oxygen atoms

Thus 1.6 moles of oxygen atoms are present in 125 g of .

im not exactly sure but i think its b!