Final answer:
One atomic mass unit (amu) of material is equivalent to 1.660539 × 10^-24 grams.
Step-by-step explanation:
There are 1.660539 × 10-24 grams in 1 atomic mass unit (amu) of a material. The atomic mass unit is defined as one-twelfth of the mass of a carbon-12 atom. Because atoms and subatomic particles are extremely small, we use amu as a more practical unit of mass. The equivalent mass in grams for one amu helps us relate atomic scale mass to more familiar units of mass. For practical purposes in chemistry, the mass (amu) and molar mass (g/mol) of any substance are numerically equivalent, allowing for conversion between mass of individual particles and larger quantities that can be handled in a laboratory.