How can you tell when a solution is formed?

2 answers:

5 0

You may tell when a solution os formed when the item or particle, such as sugar or salt,
dissolves completely in the solvent, such as water.

Basically, you know when a solution is formed when the material you have placed in the solvent disappears :P

svet-max [94.6K]4 years ago

4 0

When the solute is completely dissolved into the solvent.

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12. In which equilibrium system will an increase in pressure cause a shift to the left?

son4ous [18]

D is the answer cause two h20 + o2(g)

3 0

3 years ago

Ammonium carbonate and iron(iii) nitrate are combined, solid iron(iii) carbonate and a solution of ammonium nitrate are formed.

Vanyuwa [196]

Answer:

The net ionic equation is: 3CO₃²⁻(aq) + 2Fe³⁺(aq) → Fe₂(CO₃)₃(s).

Explanation:

For the mentioned reaction:

We have the Molecular reaction:

3(NH₄)₂CO₃(aq) + 2Fe(NO₃)₃(aq) → Fe₂(CO₃)₃(s) + 6NH₄NO₃(aq)

We have the total ionic reaction:

6NH₄⁺(aq) + 3CO₃²⁻(aq) + 2Fe³⁺(aq) + 6NO₃⁻ → Fe₂(CO₃)₃(s) + 6NH₄⁺(aq) + 6NO₃⁻(aq).

NH₄⁺(aq) and NO₃⁻(aq) are spectator ions that are not changed through the reaction and still dissolved in the medium, so they can be omitted to get the net ionic equation.

So, the net ionic equation is:

3CO₃²⁻(aq) + 2Fe³⁺(aq) → Fe₂(CO₃)₃(s).

6 0

3 years ago

Combine the symbols of bismuth and cesium

givi [52]

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Suppose a nanotechnological innovation allows every single charged ion to be precisely identified and removed from a small volum

d1i1m1o1n [39]

Answer:

C. 10^-7.

Explanation:

Hello,

By taking into account that the eventual added ion to the water is removed, it means that after the time goes by, to water will remain pure, so one knows that it implies a pH of 7. Such pH is related with a Ka of 10^-7 based on the mathematical description of pH:

$pH=-log([H^+])$