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Anna [14]
3 years ago
5

aluminum nitrite and ammonium cloride react to form aluminium chloride. nitrogen and water. what mass of alluminum chloride is p

resent of 43g of ammonium nitrite have reacted completely
Chemistry
1 answer:
____ [38]3 years ago
7 0

Answer:

35.7 g of NH₄Cl

Explanation:

The reaction is:

Al(NO₂)₃ +  3NH₄Cl → AlCl₃ + 3N₂ + 6H₂O

Ratio is 3:1. 3 mol of ammoium chloride react to produce 1 mol of chloride

We convert the mass of ammoium chloride to moles:

43 g . 1 mol/ 53.45 g = 0.804 moles

(0.804 . 1) / 3 = 0.268 moles of AlCl₃ are formed

Let's convert the moles to mass → 0.268 mol . 133.33 g/1mol = 35.7 g

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These models show the electron structures of two different nonmetal elements. Element 1 at left has a purple circle at center wi
Daniel [21]

Answer:

Element 2

Explanation:

If we look at the model stated for element 1, it is clear that element 1 must be a noble gas. It has eight electrons in its outermost shell this implies that it has already attained a complete octet of electrons and is reluctant towards chemical reaction.

The second element belongs to group 16 since it has six electrons on its outermost shell. It is certainly more reactive than element 1 which is a noble gas.

7 0
3 years ago
Read 2 more answers
0.250 moles of NaCl is dissolved in 0.850 L of solution. What is the molar concentration?
Nuetrik [128]

Considering the definition of molarity, the molar concentration is 0.294 \frac{moles}{liter}.

Molarity reflects the concentration of a solution indicating the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of the solute by the volume of the solution:

molarity=\frac{amount of moles of solute}{volume}

Molarity is expressed in units \frac{moles}{liter}.

In this case, you know:

  • amount of moles of solute= 0.250 moles
  • volume= 0.850 L

Replacing in the definition of molarity:

molarity=\frac{0.250 moles}{0.850 L}

Solving:

molarity= 0.294 \frac{moles}{liter}

Finally, the molar concentration is 0.294 \frac{moles}{liter}.

Learn more about molarity with this example: brainly.com/question/15406534?referrer=searchResults

6 0
2 years ago
If acid precipitation rain changes the ph of a pond from 7.0 to 5.0, the level of hydrogen ion has changed by a factor of ______
Karolina [17]
When pH=7, [H⁺] =10⁻⁷.
When pH=5, [H⁺]=10⁻⁵.

10⁻⁵/10⁻⁷ =10²=100
The level of hydrogen ions increased by factor 100.
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3 years ago
1 mole of Cl2 will produce how many atoms of KCl?
olchik [2.2K]

Answer:

1.1 mole

Explanation:

The mass of potassium chloride is 3.8 g . Look at the mole ratio you have between potassium chlorate and potassium chloride; what you will see is that every 2 moles of potassium chlorate will produce 2 moles of potassium chloride, i.e. you have a 1:1 mole ratio between the two compounds

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How are chemicals used in gasoline?
timofeeve [1]

Answer:A typical gasoline mixture contains about 150 different hydrocarbons, including butane, pentane, isopentane and the BTEX compounds (benzene, ethylbenzene, toluene, and xylenes). Gasoline also contains chemicals such as lubricants, anti-rust agents and anti-icing agents that are added to improve car performance.

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