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

What addition/subtraction equation should I put?
Choose the correct simplification of the expression (C^4)^3 A. C^1 B. C^7 C. C^12 D. C^64
Can someone help me please with this having trouble doing it!!
Has anyone collected the rubbish yet ? change it to passive voice thanks
Find the indicated term of the geometric sequence. 10th term of 0.6, 0.06, 0.006,...
Question 3 (5 points) ✔ Saved Janice is scrolling through her feed one day and notices that Abby said some awful things about Patricia. Janice thinks that what
On Monday the change in the value of one share of a companies stock can’t be represented as -$2.85 Tuesday the value of one share of the companies that changes
For 3, 5, Are the triangles similar? If so, state the similarity and the postulate or theorem that justifies your answer.
The function f(x) = 200(0.5)x/50 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years sin
pls help me with my question I will mark brainliest 20 points