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IgorC [24]
2 years ago
12

In one to two sentences, describe how the ionic compound, licl would dissolve in the polar solvent, ch3coch3.

Chemistry
1 answer:
timofeeve [1]2 years ago
3 0
Lithium Chloride is a polar compound. Lithium gives off a +1 charge and chlorine gives off a -1 charge. The chlorine adopts lithium’s extra electron and they are both put to the 8 electron goal. Because they are polar, however, a polar solvent would pull them apart further. By isolating each element in + and - concentrations.
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Calculate the pH of the solution that results when 20 mL of 0.2M HCOOH is mixed with 25mL of 0.2M NaOH solution.(post-equivalenc
Paul [167]

The pH of the solution : 12

<h3>Further explanation</h3>

Reaction

HCOOH    +     NaOH   ⇒     HCOONa   +   H₂O

mol HCOOH =

\tt 20~ml\times 0.2~M=4~mlmol

mol NaOH =

\tt 25~ml\times 0.2~M=5~mlmol

Mol NaOH>mol HCOOH ⇒ at the end of the reaction there will be a strong base remains from mol NaOH, so that the pH is determined from [OH⁻]

ICE method :

HCOOH    +     NaOH   ⇒     HCOONa   +   H₂O

4                          5

4                          4                     4                   4

0                          1                      1                    1

Concentration of [OH⁻] from NaOH :

\tt \dfrac{1~mlmol}{20+25~ml}=0.02

pOH=-log[OH⁻]

pOH=-log 10⁻²=2

pH+pOH=14

pH=14-2=12

3 0
3 years ago
Na2O +<br> H20<br> NaOH<br> yeah
kodGreya [7K]

Answer:

<h3>Na2O + H2O → 2NaOH</h3>

<h3>explanation:</h3>

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Answer:

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The arrow to the water indicate that the water is the product and it is NOT the decomposition reaction.

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