Help777 Help777
  • 03-06-2017
  • Chemistry
contestada

how many MGCO3 molecules are in 6.72 mol MgCO3?

Respuesta :

Zaksomenumbers Zaksomenumbers
  • 03-06-2017
Since 1 mol --> 6.023x10^23 number of atoms/particles/molecules

Then do
1 : 6.023x10^23
6.72 : X
X= 6.72 x 6.023x10^23
X= 4.047x10^24 number of molecules
Answer Link

Otras preguntas

Which of the following is a “DO” regarding scannable resumes
Early factories were dependent on a nearby water supply. TRUE or FALSE
Stars are born, they go through changes, and then they _____. a. die b. grow c. shrink d. are reborn
In the human body, the _______ is a muscular membrane that separates the thoracic cavity from the abdominal cavity. a. epiglottis b. bolus c. esophagus d. d
What does edifice mean?
What symbolic meaning does the character of Virgil most likely represent in the Inferno? A. He symbolizes a haunted soul. B. He represents human wisdom.
Which of the following structures is responsible for regulating body temperature? a. Hypothalamus b. Medulla oblongata c. Cerebrum d. Cerebellum
Which of the following is not a medium in which communication is transmitted? Select one: a. Written b. Spoken c. Actions d. Thoughts
If you dropped a ball from a height of 10 m and measured its distance to the ground every 0.1 s, what would the graph of position versus time look like? a. It
What was one reason the industrial revolution began in Great Britain