Question

Find mass of
0.2 mol of n atoms
1.4 mol of al atoms
0.5 mole of hci molecule

Answer 1

1 mole =14g So 0.2=14*0.2=2.8 g 1 mole =27g So 1.4=1.4*27=37.8g 1 mole =36.5 So 0.5=36.5*0.5=23.25g