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anonymous
 one year ago
Pure water is neutral. What is the appropriate justification for this?
anonymous
 one year ago
Pure water is neutral. What is the appropriate justification for this?

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Teddyiswatshecallsme
 one year ago
Best ResponseYou've already chosen the best response.0Choice A, neutral means the H+ ions equal the OH ions, giving a pH of 7. The first choice is pretty much that exact definition

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@Teddyiswhatshecallsme where is choice A from?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes, pure water is neutral because we have an equal concentration of \[H _{3}O ^{+} \] and \[OH ^{}\] ions. In fact water only very slightly ionizes, so \[K _{w}\] value is very very small\[=  1 \times10^{14}\] Finding the equilibrium expression of water gives us \[Kw = [OH ^{}][H3O ^{+}]\] That is for the reaction: \[H _{2}O + H _{2} O \leftarrow \rightarrow H _{3}O ^{+} + OH ^{}\] And \[Kw = 1 \times 10 ^{14}\] And \[[OH ^{}] = [H _{3} O ^{+}]\] \[= 1 \times 10^{7}\] Finding pH= \[\log ([H _{3} O ^{+}] )\]= \[\log( 1 \times 10^{7}) = 7\] 7 pH is neutral.

Teddyiswatshecallsme
 one year ago
Best ResponseYou've already chosen the best response.0Just A. lolol

Teddyiswatshecallsme
 one year ago
Best ResponseYou've already chosen the best response.0Multiple choice.
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