saltenhofen91 saltenhofen91
  • 04-05-2017
  • Chemistry
contestada

how many moles of Cu in 7.81 * 10^21 atoms of Cu

Respuesta :

JavierCollante
JavierCollante JavierCollante
  • 04-05-2017
Use avogadro's number---> 6.02 x 10^23 atoms= 1 mol

7.81 x 10^21 (1 mole/ 6.02 x 10^23)= 0.0130 moles of Cu
Answer Link

Otras preguntas

which group gained the most from the opening of the panama canal in 1914
5t-2r=25 solve for t.
Which word in the passage contains a root that means "believe"? Museums of all types employ museum curators. A curator oversees either the whole museum or sect
What does issue mean?
A poem that tells a story is called a
is this correct ? .......................
How long is an individual monarch's term of rule? A.for as long as the people allow B.limited by a term of four years, with a maximum of two terms C.from the ti
Which is a chemical change? water boiling wood burning glass breaking ice melting molding iron
in which cell is the removal of waste occurring
Fidel Castro was a revolutionary who took over Cuba in _____. 1957 1958 1959 1960