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UNO [17]
3 years ago
7

Is NaCH an element ? why or why not?

Chemistry
2 answers:
seraphim [82]3 years ago
6 0
I don't think it is, but I do know that NaCI is an element. Hope this helps!
Mandarinka [93]3 years ago
5 0
I believe you mean NaCI*, (sodium chloride) . Sodium Chloride is not an element, it is known as an ionic compound, reason being because it forms an ionic bond with Na and CI.
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Will give brainliest to best answer..
Tasya [4]
I have attached the answer here. hope this helps!

let me know if you have any question

6 0
3 years ago
Which clue can be used to identify a chemical reaction as a decomposition reaction?
inn [45]

Answer:

plzz mark brainliast:

Explanation:

clue: The reaction has a single reactant.

8 0
3 years ago
Read 2 more answers
How would I do this? A beaker contains 50.0 mL of 0.25 M aluminum nitrate solution. What is the minimum volume of 0.2 M sodium s
Serhud [2]

The minimum volume of 0.2M sodium sulfide that will precipitate out aluminum from 50.0 mL, 0.25 M aluminum nitrate would be 0.094 L or 94 mL

<h3>Stoichiometric calculation</h3>

From the equation of the reaction:

2Al(NO_3)_3 + 3Na_2S ---> Al_2S_3 + 6NaNO_3

Mole ratio of Na2S and Al(NO3)3 = 3:2

Mole of 50.0 mL, 0.25 M Al(NO3)3 = 50/1000 x 0.25

                                                         = 0.0125 mole

Equivalent mole of Na2S = 3/2 x 0.0125

                                         = 0.0188 mole

Volume of 0.2M, 0.0188 mole Na2S = 0.0188/0.2

                                                          = 0.094 L or 94 mL

More on stoichiometric calculations can be found here: brainly.com/question/8062886

6 0
2 years ago
What is the hydrogen ion concentration of a substance with a pH of 4.5?​
FrozenT [24]

Answer:

The hydrogen ion concentration of the substance is 3.16*10⁻⁵ M

Explanation:

pH is a parameter used to measure the degree of acidity or alkalinity of a substance. The pH is calculated as the negative logarithm (base 10) of the concentration of hydronium ions [H₃O⁺] or hydrogen ions [H⁺].

pH= - log [H₃O⁺]= - log [H⁺]

Values ​​on the pH scale range from 0 to 14, where pH equal to 7 is neutral, below 7 is acidic and above 7 is basic.

In this case, pH= 4.5

So:

4.5= - log [H⁺]

Solving:

[ H⁺]= 10⁻⁴ ⁵

[H⁺]= 3.16*10⁻⁵ M

The hydrogen ion concentration of the substance is 3.16*10⁻⁵ M

7 0
3 years ago
What is the final volume of the solution when 9.80 mL of a 1.56 m solution to need to be diluted to 1.27 m?
musickatia [10]

hAnswer:

Explanation:

8 0
3 years ago
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