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jekas [21]
3 years ago
14

What is the molar mass of Fe(NO3)2?

Chemistry
1 answer:
motikmotik3 years ago
5 0
I believe that the molar mass is 342.34g/mol
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A separatory funnel contains the two immiscible liquids water and toluene. Use the given densities to determine which layer is o
damaskus [11]

Answer:

  • Top layer Toluene
  • Bottom layer Water

Explanation:

When two non-miscible liquids are put together, the one with the higher density will be on the bottom, while the one with the lower density will be on top.

Meaning that in this problem's case toluene would be on the top layer and water in the bottom layer.

7 0
2 years ago
Help me plz I don’t know what it’s mean
Pavlova-9 [17]

Answer:

1 has the highest density because it has the most amount of circles in the least amount of space- it is the most densely filled with circles; it is the most dense.

4 0
3 years ago
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Most gases exist as molecules, for example, fluorine is F2.
Kryger [21]
They are all stable and have eight valence electrons
4 0
3 years ago
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why was the mass lost when the reaction was done in the normal setup but stayed the same when it was done in the gas collection
german
<h2>Answer : Law of conservation of mass</h2><h3>Explanation :</h3>

The law of conservation of mass states that in any reaction mass is neither created nor lost it has to remain constant in a system.

In this case, when the reaction setup was done in normal way the mass was  lost in surrounding was not considered nor being calculated; whereas when the reaction was studied in a closed system where the gas was collected after the reaction the mass changes was noted down which helped to prove the point of law of conservation of mass and energy.

One can consider an example of soda can where the carbonated drink contains pressurized carbon dioxide gas. when opened the gas bubbles gets lost into the surroundings and we don't measure the mass changes. Instead if the soda can was opened in such a way where the gas evolved was measured then the mass changed would remain the same.

6 0
3 years ago
What is formed by the hydrolysis of Starch?
Ymorist [56]

Answer:

soluble starch, maltose and various dextrins.

Explanation:

3 0
3 years ago
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