Answer:
Refraction
Explanation:
16.0 g; 3.1 mol
(a) Mass of O atoms
Mass = 6.022 × 10^23 atoms × (2.66 × 10^-23 g/1 atom) = 16.0 g
(b) Moles of O atoms
0.050 kg = 50 g
Moles = 50 g × (1 mol/16.0 g) = 3.1 mol
Atomic mass
1.0x10^-7 mol/L
