The value of amu is which of the following? 1.57 × 10-24 A. kg 1.66 × 10-24 B. kg 1.99 × 10-23 C. kg 1.66 × 10-27 D. kg
amu represents atomic mass unit. It is used in place of unified mass unit. 1 amu = 1 Avogram = 1 Aston = 1 Dalton 1 amu = 112 × mass of C-12 atom = 112 × 1.9924× 10-23 g = 1.66 × 10^-24 g = 1.66 × 10^-27 g
