One mole of the carbon-12 isotope contains 6.022 1023 atoms. ...

[aabwk4]

One mole of the carbon-12 isotope contains 6.022  1023 atoms. What volume in m3 would be needed to store one mole of cube-shaped children's blocks 2.00 cm long on each side?
 a. 4.8  1018
  b. 1.2  1022
  c. 6.0  1023
  d. 1.2  1024
  e. 4.8  1024

Question 2

Find the average density of a white dwarf star if it has a mass equal to that of the sun (2.0  1030 kg) and a radius equal to that of the Earth (6.4  106 m).
 a. 9.0  106 kg/m3
  b. 1.8  107 kg/m3
  c. 1.8  109 kg/m3
  d. 3.6  1010 kg/m3
  e. 9.0  107 kg/m3

[pangili4]

Answer to Question 1

A

Answer to Question 2

C

[aabwk4]

Gracias!

[bulacsom]

TYSM