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marishachu [46]
3 years ago
15

When sodium chloride is dissolved in water, the resulting solution is classified as a?

Chemistry
2 answers:
Mice21 [21]3 years ago
6 0
A homogeneous mixture is formed when it is dissolved in water
Sergeeva-Olga [200]3 years ago
4 0

Answer is: homogeneous mixture.

Salt (NaCl) and water make a homogeneous mixture (the same proportions of its components throughout any given sample), because both substances are polar.

Solution is homogeneous mixture composed of two or more substances.  

In aqueous solution, solvent is water and solute (in this example sodium chloride) is a substance dissolved in water.

Homogeneous solution of salt and water can be separated with heating (evaporating the water).

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When the following equation is balanced what is the coefficient for CaCI2? Ca (s) + 2HCI (aq) —> CaCI2 (aq) + H 2(g)
Allisa [31]

Hello!

The coefficients of any chemical compound are located in the front.

We are asked to find the coefficient of CaCl2 when the equation is balanced. Before finding the coefficient, we should determine if the equation is balanced or not.

Right side: 1 Ca, 2 H, 2 Cl

Left side: 1 Ca, 2 H, 2 Cl → This equation is balanced!

Since the compound CaCl2 has no number in from of the compound, the coefficient has to 1.

Therefore, the coefficient for CaCl2 is 1.

7 0
3 years ago
Read 2 more answers
Why did it require two sodium atoms to complete the Na2O formula unit? Na has +2 charge and O has -1 charge. Na has +1 charge an
Artyom0805 [142]
Na₂O is an ionic compound. Na is in group 1 which means it has one electron in the outer shell. O is in group 6 so it has 6 electrons in the outer shell.
To become stable atoms need to either lose the electrons in the outer shell or gain electrons to gain a complete outer shell configuration. 
To become stable Na loses its outer electron and becomes positively charged. It only loses one electron, so net charge is +1. O to become stable gains 2 electrons to complete its outer shell and becomes negatively charged. since it gains 2 electrons, the net charge is -2. 
cation - Na⁺
anion - O²⁻
O gains 2 electrons but Na can give only one electron, therefore 2 Na⁺ ions are required. 
the compound can be written by exchanging the charges
  ions         Na⁺       O²⁻
charge       +1       -2
exchange   Na₂O
Correct answer is <span>Na has +1 charge and O has -2 charge</span>
5 0
3 years ago
Read 2 more answers
I need 11 12. 13. 14. 15. And 16 please and thank you ❤
jok3333 [9.3K]

Answer:

11.) Radio

12.) Microwave

13.) Infrared

14.) Ultraviolet

15.) X-Ray

16.) Gamma Ray

<u>Radio waves have the longest wavelength, and gamma rays have the shortest wavelength.</u>

<u></u>

5 0
3 years ago
Write the electron configurations of these ions, potassium and magnesium
irinina [24]

Answer:

a

Explanation:

4 0
3 years ago
7. A scientist is trying to determine the identity of an element. It is highly reactive in water
Hunter-Best [27]
Group 15 is the correct answer
7 0
3 years ago
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