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77julia77 [94]
3 years ago
10

Write the chemical formula for the anion present in the aqueous solution of cuso4.

Chemistry
2 answers:
mamaluj [8]3 years ago
8 0

Answer : The chemical formula for the anion present in the aqueous solution of CuSO_4 is, SO_4^{2-}

Explanation :

The chemical formula of copper sulfate is, CuSO_4.

The dissociation reaction of CuSO_4 in aqueous solution will be:

CuSO_4(aq)\rightarrow Cu^{2+}(aq)+SO_4^{2-}(aq)

From the reaction we conclude that, 1 mole of CuSO_4 dissociate in solution to give 1 mole of Cu^{2+} ion (copper ion) and 1 mole of SO_4^{2-} ion (sulfate ion).

In the reaction, Cu^{2+} ion (copper ion) is a cation and SO_4^{2-} ion (sulfate ion) is an anion.

Hence, the chemical formula for the anion present in the aqueous solution of CuSO_4 is, SO_4^{2-}

ki77a [65]3 years ago
6 0
SO4 -2, or Sulfate

Hope this helps! :)
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In 1928, 47.5 g of a new element was isolated from 660 kg of the ore molybdenite. the percent by mass of this element in the ore
vitfil [10]

To take the percent by mass of this element, we use the formula:

% mass = (mass of element / mass of ore) * 100%

% mass = (47.5 g / (660 kg * 1000 g / kg)) * 100*

<span>% mass = 7.20 x 10^-3 %</span>

8 0
4 years ago
Read 2 more answers
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Answer:

When Stress builds up at faults, the 3 options that are correct and can happen

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- Forces affect Earth's rocks

Explanation:

This is a Geography question

- Rock can bend and break

When Stress builds up at faults, it leads to a geologic activity that causes a lot of pressure that lead to the movement of the earth's crust. The movement creates such intense pressure on the rocks, that, with time, they twist, bend, and break due to this pressure.

- Earthquakes develop at Earth's surface

As explained earlier, this intense pressure can lead to rocks breaking, as these rocks break inside the earth's crust, the gaps that come into play after the breaking of the rocks causes the remaining rocks to adjust, releasing a lot of force, and subsequently creating earthquakes.

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As explained earlier, the forces resulting from these intense pressures, affect the earth's rocks. They move them both vertically and horizontally, change their shape and eventually break them.

Hope this Helps!!!

8 0
3 years ago
A change in matter that produces one or more new substances is a(n)
lukranit [14]

You could use another word for change can be variable witch means change and if you times the one two more times then you would get four because two time two would be four and times the one would be four.


6 0
3 years ago
SHOW WORK
horsena [70]
10.0gNaCl/2.0Lsolution= 5.0g/L
4 0
3 years ago
A sample of nitrogen gas, (N2), occupies 45.0 mL at 27.00∘C and 80.0 kPa. What will be the pressure if the gas is cooled to −73.
maxonik [38]

Answer:

The new pressure is 53.3 kPa

Explanation:

This problem can be solved by this law. when the volume remains constant, pressure changes directly proportional as the Aboslute T° is modified.

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In this case, temperature was really decreased. So the pressure must be lower.

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80 kPa / 300K =  P₂/200K

(80 kPa / 300K) . 200 K = P₂ →  53.3 kPa

6 0
3 years ago
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