Author Question: One mole of the carbon-12 isotope contains 6.022 1023 atoms. What volume in m3 would be needed to ... (Read 53 times)

aabwk4 · **on:** Jul 28, 2018

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