28
QuizMultiple Choice
Cumulative Exam
Question 28 of 50 • CR03101 Chemistry
The mass of a sample of sodium bicarbonate is 2.1 kilograms (kg). There are 1,000 grams (g) in 1 kg, and 1 109 nanograms (ng) in 1 g. What is the mass of this sample in ng?
Answer
A
2.1 103 ng
B
2.1 106 ng
C
2.1 109 ng
D
2.1 1012 ng