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belka [17]
3 years ago
12

How is percent by mass and concentration related?

Chemistry
1 answer:
Julli [10]3 years ago
6 0
You can have a solution of hydrogen peroxide that might say 10% that means that 10% per mass of the hydrogen peroxide solution is the hydrogen peroxide the rest is water.

concentration is the amount of mass in the solution eg 5gdm-3

hope that helps
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What specifically determines how much energy is available in a molecular
HACTEHA [7]

C  The number and types of bonds within the molecule.

Explanation:

In a molecule, the number and types of bonds present determines the amount of available energy therein.

When bonds are broken or formed, energy is usually released.

  • Elements combine with one another in order to attain stability in this state.
  • Through this process, they form bonds by attraction.
  • Where atoms exchange their valence electrons by losing or gaining it, electrovalent bonds form.
  • In covalent molecules, electrons are usually shared between atoms.
  • An attraction result from this type of interaction.
  • The bond formed stores energy in the process.
  • When bonds are broken, energy is usually released. The energy accrues when the bond was being formed.
  • In molecules, we have covalent bond.

Learn more:

Bond brainly.com/question/7213980

Covalent bonds brainly.com/question/5258547

#learnwithBrainly

4 0
3 years ago
I need help with this question. Thank you.
marishachu [46]
There are 76 atoms in total
3 0
3 years ago
What is some fun facts about the person who started Sand Storms? What can be the worst in a Sand Storms? If you were caught in o
Dahasolnce [82]

Answer:

The clouds that carry the dust can be huge, and miles long. They can rise to be over 305m. They also have wind speeds of at least 40 kilometers.Sandstorms can happen really quickly.

Explanation:

Sandstorms carry with them large volumes of sand and dust. But more than sand, they also carry with them virus spores that interact with the atmosphere. Because of this, I can contact any disease from it.

Other immediate effects of sandstorms to me include the worsening of lung functions if I have asthma. Due to inhalation of large amounts of dust, dust pneumonia could be developed. Diseases such as silicosis could also develop from prolonged exposure to sand. If left untreated, it will eventually lead to asphyxiation and lung cancer. The eyes could also be affected by the particles. Keratoconjunctivitis sicca, or dry eyes, could develop which could lead to blindness. My exposure to sandstorms could have adverse effects on my circulatory system. So I could either die immediately or fall terrible sick it depend on my health issue.

7 0
4 years ago
Please help i cant find any answers...
Hitman42 [59]

Answer:

98.8

Explanation:

CsF + XeF6 --> CsXeF7

37.8g ................. ?g

37.8g CsF x (1 mol CsF / 151.9g CsF) x (1 mol CsXeF7 / 1 mol CsF) x (397.2g CsXeF7 / 1 mol CsXeF7) = 98.8g CsXeF7 .......... to three significant digits

8 0
3 years ago
Read 2 more answers
Please helpppppp I be thankful
grigory [225]
Valence électrons don’t define which group You are in so you can cross those choices out.
A would be incorrect because element 1 has 1 valence electron while element 2 has 2 valence electrons.
D would be correct because both elements have two valence electrons.
Also, pls don’t hate if I am wrong!
8 0
3 years ago
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