karen5022 karen5022
  • 04-03-2017
  • Chemistry
contestada

How many moles of tungsten atoms are in 4.8x10^25 atoms of tungsten?

Respuesta :

keisurin
keisurin keisurin
  • 04-03-2017
number of moles = number of atoms/Avogadro's number
= (4.8x10^25)/(6.02x10^23)
=79.7 mol (3sf)
Answer Link

Otras preguntas

Từ các quan niệm về chất lượng sản phẩm, anh chị hãy rút ra các vấn đề chủ yếu liên quan đến chất lượng sản phẩm
what happened to crazy horse
Give an example of how cohesion among water molecules is impor- tant to living things.
please help 14 points
Which of these numbers is the greatest A. 3,213,213 B. 7.8 x 10^5 C. 6.3 x 10^6 D. 11,014,114
How many protons, neutrons, and electrons are present in an atom of hafnium, Hf, with a mass number of 178?
which is smallest of the terrestrial planets
However, transporting goods along the Silk Road was costly, slow, and unprofitable.________ middlemen collected taxes as the goods changed hands. Robbers waited
an u please help me out​
0.00035 cm = ___________ nm