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
katrin [286]
2 years ago
12

Determine the percentage composition by mass of each of the elements in the following compounds

Chemistry
1 answer:
adoni [48]2 years ago
3 0

Answer:

63.9%

Explanation:

moral mass of x (# x ions) -divided by- Moral mass of compound.

% of cl = (35.5g) (2 cl ions) -divided by- 111.1g × 100

%= 63.9%

You might be interested in
If I have 21,000 mL of gas at a temperature of 870C and a pressure of 101 atm, what will be the pressure of the gas if I raise t
erastovalidia [21]

Answer:

We  have,

Initial volume is V  

1

​  

 

Initial temprature is T  

1

​  

=75  

0

C

Initial pressure is P  

1

​  

 

So, final temprature is T  

2

​  

=273+75=348K

V  

2

​  

=V  

1

​  

−  

100

15

​  

V  

1

​  

 

=  

100

85V  

1

​  

 

​  

 

Applying the gas formula,

T  

1

​  

 

P  

1

​  

V  

1

​  

 

​  

=  

T  

2

​  

 

P  

2

​  

V  

2

​  

 

​  

 

348

P  

1

​  

V  

1

​  

 

​  

=  

T  

2

​  

×100

2P  

1

​  

×85V  

1

​  

 

​  

 

T  

2

​  

=  

100

2×85×348

​  

 

T  

2

​  

=591.6K

4 0
3 years ago
Which best describes electromagnetic waves moving from gamma rays to radio waves along the electromagnetic
LiRa [457]

Answer:

c on edg2020

Explanation:

5 0
3 years ago
Read 2 more answers
What are some examples of Metallic Bonds?
NeX [460]
Some examples of metallic bonds in copper, aluminum/Gold and even silver 
7 0
3 years ago
Read 2 more answers
How can an acid salt be converted to a normal salt
erik [133]
Neutralize it with a alkaline
7 0
4 years ago
What is emitted when an electron returns to its lower energy level?
Yakvenalex [24]

Answer:

When the electron changes levels, it decreases energy and the atom emits photons. The photon is emitted with the electron moving from a higher energy level to a lower energy level. The energy of the photon is the exact energy that is lost by the electron moving to its lower energy level.

Explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • What is the rise and fall of ocean water are called
    10·2 answers
  • The answers of the profile,and the progress to solve the problems
    8·1 answer
  • Describe, in your words, and using examples, what is meant by the term solubility
    14·1 answer
  • If the temperature of a gas increases, describe what should happen to the pressure of the gas. Assume the volume and amount of g
    14·1 answer
  • Write the balanced chemical equations of each reaction:
    9·1 answer
  • Brainliest and 50 points to best answer!
    13·1 answer
  • Use the diagram above to answer the question. Each of the containers shown above holds a 1L volume. Which container has the
    15·2 answers
  • Co
    7·1 answer
  • Why is cracking a necessary part of the refinement of crude oil?
    11·1 answer
  • What type of precipitation occurs more frequently during winter storm ?? rain
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!