a. Identify the compound as a strong acid, strong base, weak acid or weak base o

Question

a. Identify the compound as a strong acid, strong base, weak acid or weak base or neutral: b. Write/predicting the balanced chemical equation(net ionic equation) for the dissociation in water Dissolving 0.100M HClO4 in water Dissolving 0.100 M sodium chloride in water Dissolving 0.100 M LiF in water Dissolving 0.100 M NH3 in water Dissolving 0.100 M HF in water
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a. Identify the compound as a strong acid, strong base, weak acid or weak base or neutral: b. Write/predicting the balanced chemical equation(net ionic equation) for the dissociation in water Dissolving 0.100M HClO4 in water a. Identify the compound as a strong acid, strong base, weak acid or weak base or neutral: b. Write/predicting the balanced chemical equation(net ionic equation) for the dissociation in water Dissolving 0.100 M sodium chloride in water Dissolving 0.100 M LiF in water Dissolving 0.100 M NH3 in water Dissolving 0.100 M HF in water
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Explanation / Answer

a)the acidity depends on the Ka of the acid so the acids are

HCLO4---->strong acid

NaCl---> neutral

LiF ---->weak basic (salt of strong base and weak acid)

NH3---> strong basic

HF ----> strong acid (ka=6.3*10^-4)

b)HClO4 + H2O ----> H3O+ + ClO4 -

NaCl + H2O ---> Na+ + OH- + H+ + Cl-

LiF + H2O ---> Li(OH) + HF

li(OH)--->Li+ + OH-

NH3 + H2O ---> NH4+ + OH-

HF + H2O---> H3O+ + F-

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