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

Compare and contrast the views of Booker T. Washington and W. E. B. Du Bois on the subject of the education of African Americans. Please stop answering and then
three specific examples of glocalization
1. Leur spectacle commence à dix-huit heures. (blank) 2. Tu joues du piano trois fois par semaine. (blank) 3. Nous aimons faire des promenades (blank) 4. Mélodi
someone helpppp i dont have brain cells to do this rn
In the figure shown, △BAC ≅ △EDF what is the value of x?
When a reaction releases more energy than it uses, it is called (1 point) O lactic O exothermic O emeritus O catalyst
HELP PLS THX refer to photo crowned brainliest if the answer is correct
Oración corta con palabra “find”?
According to the CDC, men are the cause of domestic violence, rather than the victims. - True OR - False
HELP PLEASEEEE!What is the domain of the function shown in the graph below? THE DOMAIN