What is the mass of 1 gm atom of oxygen?

What is the mass of 1 mol of oxygen?

Mass of 1 gram-atom of oxygen is_____g.

Density of oxygen at STP is 1.429 g.L^-1 What will be the mass of 2.5 L of oxygen gas at 27^@C and at 780 mmHg pressure?

What is the volume of 1 gm of hydrogen at STP?

1L of air contains 21% of oxygen by volume at STP. What is the number of moles of oxygen in 1L of air?

What will be the volume of 3.2 gra atom of oxygen at STP?

What is the mass in grams of a chlorine atom, Cl?

What is the value of atomic mass of zinc?

What is the value of atomic mass of potassium?

What is the value of atomic mass of hydrogen gas?