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
Vlada [557]
2 years ago
12

How many grams are in a sample of 0.55 mol of K?

Chemistry
1 answer:
Katyanochek1 [597]2 years ago
4 0
The equation you use here is
mass =moles x Mr

So:
Moles of K - 0.55mol
Mr of K - 39.1

Mass= 0.55x39.1 =21.505g
You might be interested in
Describe what is happening to the mass of water when sugar is dissolved in it.(5 sentences min) ​
nika2105 [10]

Answer:​

The solid sugar crystals break apart in water as the sugar dissolves, but the individual sugar particles or molecules are still present and do not change as a result of dissolving in the water. The combined mass of the sugar and water shouldn't change.

Explanation:

4 0
2 years ago
Read 2 more answers
What are scientific models used for? Give an example of each of the following types of models: Idea, Physical, Compute
7nadin3 [17]

Answer:

Scientific models are used to explain and predict the behaviour of real objects or systems and are used in a variety of scientific disciplines, ranging from physics and chemistry to ecology and the Earth sciences.

Explanation:

7 0
3 years ago
Briefly explain what happens to an organism during the process of petrification. Write your answer in the essay box
Aleksandr [31]

Answer:

YOU BETTER GIVE THEM BRAINLEIST ↑↑↑↑↑

Explanation:

4 0
3 years ago
1. When frequency increases energy:
liraira [26]
B

When frequency increases, as does the energy, but wavelength decreases. It also works vise versa; if wavelength were to increase, its frequency and energy will decrease.
8 0
2 years ago
Name the following compound:
photoshop1234 [79]

Answer:

3-methylhexane

Explanation:

you start counting from the longest chain to determine the correct name

4 0
3 years ago
Read 2 more answers
Other questions:
  • Which option is a balanced equation for cellular respiration?
    13·2 answers
  • across a period, how does the electronegativity of a nonmetal affect the acidity of its binary hydride
    5·1 answer
  • What volume of 0.125 m kmno4 is required to yield 0.180 mol of potassium permanganate
    10·1 answer
  • In an exothermic reaction, the bonding energy of the product is:
    5·2 answers
  • I need a science fair topic and the science fair is in 3 days
    11·2 answers
  • Explain how are you able to drink liquid through a straw
    7·2 answers
  • A 25.0-mL sample of 0.100M Ba(OH)2(aq) is titrated with 0.125 M HCl(aq).
    6·1 answer
  • Why does the excess of base used in these eliminations favor the E2 over the E1 mechanism for elimination
    11·1 answer
  • As a distant star moves away from earth, the light given off by the star has a
    12·1 answer
  • Convert 550 cm into m. Please show your work.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!