Which of the following is true about density?
A. Density depends on temperature and weight.
B. Density describes how much energy atoms have.
C. A large object will always have more density than a smaller
object.
D. Density can be calculated by dividing the mass by the volume.
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Ответ:
D
Explanation:
density of a substance is mass per unit volume
Ответ:
Explanation:
nso3=75/80 (80=Mr of so3)
n of o= 75x3/80
x of o= 75x3/80x6.02x10 powered by 23
then, the anwer is
sry if im wrong