A sample of calcium carbonate weighs 2.1 kilograms (kg). There are 1,000 grams (g) in 1 kg, and 1 Times. 109 nanograms (ng) in 1
g.What is the mass of this sample in ng?
2.1 x 10⁶ ng
2.1 x 10⁹ ng
2.1 x 10¹² ng
2.1 x 10³ ng
1 answer:
Answer:
2.1 x 10¹²ng
Explanation:
Mass of the calcium carbonate given is:
2.1kg
We need to take this mass to nanogram, ng.
Since :
1000g = 1kg
10⁹g = 1ng
So;
1kg = 1000 x 10⁹ = 10¹²ng
So;
2.1kg will give;
Since
1kg gives 10¹²ng
2.1kg will give 2.1 x 10¹²ng
You might be interested in
Explanation:
4 x 6.02 x 10²³ = 2.41 x 10²⁴
Answer:
protons
Explanation:
You don’t have any charge outside of the nuclear
Answer:
prohibited because of germs that are on your phone.
Explanation:
(2) three fewer valence electrons is your answer.