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
liq [111]
3 years ago
14

A solution with a volume of 4.0 L that contains 2.0 mol of KNOg has a molarity of

Chemistry
1 answer:
Degger [83]3 years ago
8 0

Answer:

0.5 M

Explanation:

The formula for molarity is M = n / v where

M is the concentration/molarity, n is the number of moles, and v is the volume in litres.

The molarity of this solution is 2 mol / 4 L = 0.5 M

You might be interested in
What is kinetic energy of a 155 kg object moving at speed of 20 m/s
Novay_Z [31]

Answer:

KE = 1/2*m*v^2

KE = 1/2*150kg*(20 m/s)^2

KE = 75kg * 400m²/s²

KE = 30,000 kg*m²/s²

KE = 30,000 N*m

KE = 30,000 J

Explanation:

Hope this helped.

A brainliest is always appreciated.

4 0
2 years ago
Vrite skeleton equations for the following word equations.
almond37 [142]

Answer:

g

Explanation:

g

4 0
3 years ago
Read 2 more answers
Organelles_____are specialized structures that carry out particular jobs and functions?
sergejj [24]

Answer:

Cell or cellular

Explanation:

Heyy!! Not sure, but cell and cellular are the same. They carry out particular jobs and functions. Hope this helps, thank you :) !!

7 0
3 years ago
If the gas in the piston above has a volume of 20.0 L at a temperature of 25 C what is the volume of that gas when it is heated
dexar [7]

Answer:

15.98 L

Explanation:

First, you need to find T1, T2, V1 and V2.

T1 = 25 C = 298.15 K (25C + 273.15K)

T2 = 100 C = 373.15 K (100C + 273.15K)

V1 = 20. L

V2 = ? (we are trying to find)

Next, rearrange to fit the formula

V2 = V1 x T1 / T2

Next, fill in with our numbers

V2 = 20. L x 298.15 K / 373.15 K

Do the math and you should get...

15.98 L

- If you need more help or futher explanation please let me know. I would be glad to help!

8 0
3 years ago
Read 2 more answers
7.457kCal, convert to KJ<br> [18] = 4.184kCan]
777dan777 [17]

Answer:

can i see a image please

Explanation:

6 0
3 years ago
Other questions:
  • A bowl of trail mix and a bowl of soup are examples of what type of matter?
    8·2 answers
  • As the heart contracts, oxygenated blood is pumped from the left atrium to the left ventricle through which valve?
    12·1 answer
  • An isotope contains 15 protons, 15 electrons, and 17 neutrons. What is the identity of the isotope?
    5·2 answers
  • In aqueous solution the Ni2" ion forms a complex with four ammonia molecules. Write the formation constant expression for the eq
    5·1 answer
  • Help plz I don’t get it
    13·2 answers
  • In the single replacement reaction AB + C → A + CB, the anion in the reactant compound AB is _______
    12·2 answers
  • Methane undergoes combustion. Which products form?
    10·1 answer
  • Click on the event or events that led to the formulation of the cell theory
    15·1 answer
  • 4.What volume of hydrogen gas at STP is produced when 2.5 grams of zinc react with an
    10·1 answer
  • How many moles are present in 360 grams of water.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!