1 mol of (NH₄)₂SO₄ = (a)   g

1 mol of Li₂S₂O₃ = (a)   g

1 mol of O₂ = (a)  

1 mol of Sr(NO₃)₂ = (a)  

1 mol of U = (a)   g

1 mol of W = (a)   g

1 mol of Sn = (a)   g

1 mol of SO₃ = (a)   g

1 mol of I₂ = (a)   g