madeleinejjj9168 madeleinejjj9168
  • 13-06-2017
  • Chemistry
contestada

How many atoms are in 149 grams of calcium?

Respuesta :

kirstendg1or8kwg
kirstendg1or8kwg kirstendg1or8kwg
  • 14-06-2017
Atomic mass Calcium => 40.078 u.m.a

40.078 g -------------------- 6.02x10²³ atoms

149 g ------------------------ ?? atoms

149 x (6.02x10²³) / 40.078 => 2.23x10²⁴ atoms of Ca

HOPE THIS HELPS :3
Answer Link

Otras preguntas

Why do some foods have greater caloric content per unit mass?
An inflammation of the vein that causes blood clots to form is called
Where in the lymph node is a dendritic cell most likely associated with a b or t lymphocyte?
If the probability of a train being on time is 0.4 and the probability of it being late is 0.36 whats the probability of it being early ?
Why does the human body produce gametes
what is y=4/5x+2 in standard form
How do you find missing side lengths for special right triangles?
The tremendous popularity of sport in north america is most likely a consequence of
11. Find the surface area of each figure. Leave the answers in pi where applicable. Show work 14. Find the surface area of each figure. Leave the answers in p
How many TWOS are worth £2.48