In introductory chemistry, what is the accepted mass of a proton (rest mass) in kilograms?

• A. $1.660\times {10}^{-27}kg$
• B. $1.675\times {10}^{-24}kg$
• C. $1.673\times {10}^{-27}kg$
• D. $9.109\times {10}^{-31}kg$

Answer: (C)