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Burka [1]
3 years ago
11

Ứng dụng điều chế của lưu huỳnh thành oxit axit ?

Chemistry
1 answer:
Juli2301 [7.4K]3 years ago
6 0

that's your work bro do by your own

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A compound with chemical formula na2cx3 has formula mass 106 amu .. what is the atomic mass of element x
maria [59]

The element "X" is "O" (oxygen).

<h3>Calculation:</h3>

Given,

Chemical formula = Na₂CX₃

Formula mass = 106 amu

Molar mass of Na = 23 amu

Molar mass of C = 12 amu

To find,

Element X =?

We will equate the equation as follows,

2(23) + 12 + 3(y) = 106

46 + 12 + 3y =106

58 + 3y = 106

3y = 106 - 58

3y = 48

y = 48/3

y = 16

We know that Oxygen has molecular mass of 16. Therefore the element "X" is "O".

Learn more about molar mass here:

brainly.com/question/22997914

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5 0
1 year ago
Which of these steps is most likely to be part of an investigation about friction?
Serggg [28]

Answer:

I want to say option C: Testing which surfa e is easier to slide a wooden block across.

Explanation:

I'm not 100 % sure though with my answer. I'm truly so very sorry if my answer is wrong. I tried my best.

4 0
3 years ago
Which is NOT a way that Carbon is released in to the atmosphere?
amid [387]

Answer:

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Explanation:

8 0
3 years ago
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Given the balanced equation below, calculate the moles of aluminum that are needed to react completely with 13.2 moles of FeO?
irina [24]

The number of moles of aluminium  that are needed to react completely  with 13.2 moles of FeO  is  8.8 moles



calculation


2Al + 3FeO → 3aFe +Al2O3

by use of of mole ratio of Al: FeO  from  equation above = 2:3 the moles of  Al is  therefore

= 13.2  x  2/3=8.8  moles  of Al

3 0
3 years ago
The main group elements exclude which parts of the periodic table?*
Elden [556K]

Answer:

Transition metals and lanthanide metals

Explanation:

Alkali metals, alkaline earth metals, halogens, and noble gases are all part of the main group elements.

Periods and families simply refer to the rows and columns of the periodic table.  They don't specify the type of element.

7 0
3 years ago
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