ladybugkittychat ladybugkittychat
  • 23-01-2018
  • Chemistry
contestada

How many moles are there in 2.6 x 10^24 atoms of Calcium?
a .7.0 x 10-24 moles of Ca
b. 4.4 moles
c. 168.36 moles
d. .10 moles

Respuesta :

pmorales87oxxvym pmorales87oxxvym
  • 31-01-2018
Answer:
There are
6.022140857
(
74
)
×
10
23

calcium

atoms
in 1 mole of
C
a
.

Explanation:
You have specified
2.1
×
10
24
calcium atoms.

So
2.1
×
10
24
⋅
calcium atoms
6.022
×
10
23
⋅
calcium atoms mole
1=??mol
Answer Link

Otras preguntas

Sam borrowed money from a credit union for 3 years and was charged simple interest at an annual rate of 2%. The total interest that he paid was $48. How much mo
Why is it incorrect to write {∅} to denote a set with no elements?
WHATS THE ANSWER PLSZ HELP
Briefly describe the background of Dred Scott v. Sandford.
A 9. How are the sections in a Socratic essay related? Pls help due in 3 minutes!! I will give 60 points!!
1. What are the benefits of cleaning something to a level of cleanliness beyond what is required? What are some possible disadvantages of doing so? 2. In 2001,
Describe native Americans in 10 sentences paragraph
Please draw out the solution. I don't understand why the correct option is the last one. Thanks!
PLEASE HELP!!! The function f(x) is shown on the graph. The graph shows a downward opening parabola with a vertex at negative 3 comma 16, a point at negative 7
Zachary purchased a computer for $1,500 on a payment plan Five months after he purchased the computer, his balance was $975. Eleven months after he purchased th