1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Andru [333]
3 years ago
5

How many moles of potassium are represented by 7.85 _ 1024 potassium atoms?

Chemistry
1 answer:
denis23 [38]3 years ago
8 0
Use Avogadro number

1 mol = 6.02 * 10 ^ 23 atoms

7.85 * 10 ^ 24 atoms / 6.02 * 10 ^23 atoms / mol ≈ 13 moles
You might be interested in
The type of neuron that carries impulses from the brain are...​
jek_recluse [69]
It’s Sensory Neurons!
5 0
3 years ago
Find the mass of 1.112 moles HF?
Alexeev081 [22]

Answer:

22.25 g

Explanation:

To find the mass, you need to convert moles to grams and get 22.25 g.

7 0
3 years ago
which tool was mostly likely used in a procedure if the lab report shows that approximately 300 ml of water was used
DiKsa [7]

it is most likely a beaker, beacuse 300ml is quite a large volume. Otherwise, it would be a measuring cylinder or pippette

7 0
3 years ago
I need chemistry help text me at (951) 897-8325 PLEASE
user100 [1]
Just post the question on here
7 0
3 years ago
What is the volume of 425g of ice if the density is 0.92g/mL
Sati [7]
Density=mass/ volume so you solve for volume and get 461.96 mL
6 0
4 years ago
Other questions:
  • Within a molecule of nitrous oxide, N2O, an atom of nitrogen combines with an atom of oxygen in a(n)
    5·1 answer
  • Why does an object in motion stay in motion unless acted on by an unbalanced force? A) because forces are what stop and start mo
    11·1 answer
  • How many moles of MgS2O3 are in 171 g of the compound?
    10·1 answer
  • Using the appropriate conversion factor from the first part, convert 0.600 mil potassium chlorate to grams.
    11·1 answer
  • Which type of signaling pathway uses second messengers because the hormone cannot pass through the plasma membrane?
    10·1 answer
  • Sentences for chemical energy
    7·1 answer
  • When an isotope emits an alpha particle, its atomic number
    13·1 answer
  • Help me please:(:(:( with my bellwork<br> for brainiest
    15·1 answer
  • 6. Alkali metals, alkaline earth metals, and halogens
    7·2 answers
  • Label the molecular view.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!