Question

One mole is defined as:

• A. quantity having a mass equal to its atomic/molecular mass.
• B. quantity having mass equal to half of its atomic/molecular mass.
• C. one gram of any quantity.
• D. one kilogram of any quantity.

Answer 1

Answer: (A)

quantity having a mass equal to its atomic/molecular mass.

One mole is defined as a quantity having a mass equal to its atomic/molecular mass.

For example, one mole sodium$\left(Na\right)=23gm=$ atomic mass of sodium