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Zielflug [23.3K]
3 years ago
13

Which statement applies to electronegativity

Chemistry
1 answer:
mash [69]3 years ago
5 0

<em>The correct answer is that electronegavivity increases as the size of an atom decreases.</em>

<em>It's because electronegativity is inversley propotional to the atomic size.</em>

<em>That's why when the electronegavivity increases there will be a decrease in atomic number.</em>

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Answer : The pH of the solution will be 13.63.

Solution:

Moles of hydroxide ions in barium hydroxide solution

BaOH_2\rightarrow Ba^++2(OH)^-

Number of moles = (concentration)\times(volume in liters) ...(1)(1L=1000mL)

<em>2.0 M barium hydroxide in solution</em>

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Moles of H^+ ions in nitric acid

HNO_3\rightarrow NO^{-}_{3}+H^+

<em>In 1.00 M nitric acid solution</em>

Moles of nitric acid in 1.0 M solution =(1.0 M)\times(0.010 L)=0.010 moles

If one mole of nitric acid will give one moles of H^+ ion.

Then 0.010 moles of nitric acid in solution will give :

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Since , the reaction will be neutralization reaction, equal number of moles of H^+ will neutralize equal number of moles of OH^-

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Remaining moles of OH^-=0.016- 0.01=0.006 moles

Concentration of [OH^-] resulting solution

Resulting volume of the solution : 0.004 + 0.010 liters

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[OH^-]=\frac{0.006}{0.004L+0.010 L}=0.4285 M

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pH=14-pOH=14-0.367=13.633

The pH of the solution will be 13.633.

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