contestada

Which net ionic equation describes the reaction between NaOH( aq) and HCl( aq)?

Na +( aq) + OH –( aq) → NaOH( aq)
OH –( aq) + H +( aq) → H2O( l)
Na +( aq) + Cl –( aq) → NaCl( s)
OH –( aq) + H +( aq) → H2O( l) + Na +( aq) + Cl –( aq)

Respuesta :

Answer:

OH–( aq) + H+( aq) → H2O( l)

Explanation:

Step 1: Data given

Hydrochloric acid = HCl

⇒ dissociates in H+ and Cl-

Sodium hydroxide = NaOH

⇒ dissociates in Na+ and OH-

Step 2: The equation

NaOH(aq) + HCl(aq)  → Na+ + OH- + H+ +Cl-

Na+(aq)  + OH-(aq)  + H+(aq)  + Cl-(aq)  = Na+ (aq) + Cl-(aq)  + H20(l)

After canceling the spectators  ion (= ions that do not take place in a chemical equation, Na+ and Cl-)

OH–( aq) + H+( aq) → H2O( l)

Answer:

OH- + H+ H2O

Explanation:

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