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
olasank [31]
2 years ago
13

How many atoms are in 15.1g of potassium?

Chemistry
1 answer:
Natalka [10]2 years ago
5 0

Answer:

2.32 x10^23 atoms

Explanation:

15.1/39.10 x (6.02 x10^23)

= 2.32 x10^23 atoms

First, you divide 15.1 g of potassium by its molar mass. (Molar mass of potassium is 39.10 g). Then you multiply using Avogadro's number (6.02 x10^23) to get your answer.

You might be interested in
Help me pls I put 49 point( every single point that I have) pls help me
Aliun [14]

Answer:

Chemical reaction, compound, molecule, covalent bonds, ionic bonds, ions. (first page)

Oxygen and hydrogen, 1 hydrogen 2 oxygen, H2O, a covalent bond, then mark off is always a liquid. (Second page)

Explanation:

6 0
3 years ago
Natalia dipped two feathers in oil. Then she dipped one feather in cold water and the other feather in hot water. She swirled bo
Alika [10]

Answer:

The hot water was better for removing the oil.

Explanation:

You can see that because the mass went down more with the hot water. So, that means that more oil was taken out of the feather with hot water.

8 0
3 years ago
What is the pressure in mm hg of a 0.025 mole sample of co2 at 350 k in a 200 l container?
Leni [432]

Answer:

0.65mmHg

Explanation:

Take R =8.314J/mol/K

V=200dm3

PV=nRT

P=0.025×8.314×623/200

=0.65mmHg

7 0
1 year ago
Why is ethanol a member of the homologous series of alcohols but propane is not<br> I’m in the exam!
Mumz [18]

Answer:

I hope it helps..... you can stop at the full-stop

3 0
3 years ago
When water freezes into ice, sme of the properties have changed <br> What stays the same
larisa86 [58]
When water freezes into ice, some of the properties have change. What stays the same.




Answer: 1: Ice Melting is a physical change. When liquid water (H2O) freezes into a solid state (ice), it appears changed; However, this change is only physical as the the composition of the constituent molecules is the same: 11.19% hydrogen and 88.81% oxygen by mass.


Have a goood day!
5 0
3 years ago
Other questions:
  • How can you make a solution saturated?
    14·2 answers
  • PLEASE HELP WILL RATE THE BRAINLIEST
    7·1 answer
  • Which of the following is a unit of mass? A) A meter B) A liter C) a kelvin D) a kilogram ​
    6·2 answers
  • T/F: The electromagnetic force holds negatively charged electrons in orbit around thr positively charged nucleus of an atom
    15·1 answer
  • We double both volume and absolute temperature of a given amount of an ideal gas.
    12·1 answer
  • Please help me out...
    13·1 answer
  • What does electric current measure?
    11·2 answers
  • GIVING BRAINLEST WITH WHOEVER HAS THE RIGHT ANSWER! Plz and Tysm.
    13·1 answer
  • A sample of Xe gas is observed to effuse through a pourous barrier in 4.83 minutes. Under the same conditions, the same number o
    11·1 answer
  • using the law of conservation of energy explain three types of energy transformations that occur during a roller coaster ride fr
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!