What Is the Mass in Grams of 9

Multiple Choice

What is the mass in grams of 9.76 × 10¹² atoms of naturally occurring sodium?

A) 1.62 × 10^{- 11}
B) 7.05 × 10^{- 13}
C) 2.24 × 10¹⁴
D) 22.99
E) 3.73 × 10^{- 10}