MadisonWilson2498 MadisonWilson2498
  • 25-09-2017
  • Chemistry
contestada

The number of atoms in 8.93 g of zinc ?

Respuesta :

barnuts
barnuts barnuts
  • 06-10-2017

Zinc has a molar mass of about 65.38 g/mol. So we calculate the number of moles first:

moles Zinc = 8.93 g / (65.38 g/mol) = 0.1366 mol

 

We can calculate for the number of atoms using Avogadros number.

atoms Zinc = 0.1366 mol * 6.022 x 10^23 atoms / mol

atoms Zinc = 8.23 x 10^22 atoms

Answer Link

Otras preguntas

why cant you just put the answer
1 3 10 18 40 ? ? ? ? ?
Read the excerpt from "How the Whale Got His Throat.” In the sea, once upon a time, O my Best Beloved, there was a Whale, and he ate fishes. He ate the starfish
Help me please help me
The count and the wedding guest
An isosceles triangle has a base that is 3 times the length of its legs. The perimeter of the triangle is 45 cm. What is the length of the base?
A satellite flies 37604 miles in 5.53 hours. How many miles has it flown in 7.15 hours?
before the united states ratified the the constitution, the nation was governed by which of these documents?
what is the equation of the perpendicular line segment that passes through (4,4) and (6,-2)
HELPPPP!! how do i find the angle measure ?