cjr10977
cjr10977 cjr10977
  • 23-02-2017
  • Chemistry
contestada

How many atoms are in 165 g of calcium?

Respuesta :

amadisha225 amadisha225
  • 23-02-2017
Moles in167g = 167 / 40 = 4.175 
Atoms = 4.175 x 6.022x10^23 = 2.51x 19^24 atoms

Answer Link

Otras preguntas

If the range of a normally distributed data set is 25, what's a reasonable estimate for the standard deviation
What is the standard form of 700,000,000 + 10,000,000 + 1,000,000 + 100,000 + 40,000 + 2,000 +200 +7
Which part of the atom cannot have its location accurately determined
Before the wiesel family members are taken, maria, their former maid, offers to hide them in a safe shelter. What does mr. Wiesel say about this offer? What doe
Where do modern historians believe the Black Death originated? A curse The Islamic World Fleas Rats
Andrew’s parents are very strict. They expect andrew to obey them, and he is not allowed to question what they say or he is punished. His parents yell at him of
The climax of the story “seventh grade” occurs when
Which body of congress approves nominations
Which are characteristics of eating disorders? Select three options. They are associated with serious emotional and physical issues that can be life-threatening
What did the south do to oppose the civil rights act of 1866?