1. Explain with equations as in the examples on previous picture, whether an aqueous solution of each of these salts is acidic, basic, or пеutral. a) KBr b) NHI c) KCN d) Na2CO3 e) CaCl2 NazSO4

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Explain with equations as in the examples on previous picture,
whether an aqueous solution of each of these salts is acidic, basic, or
пеutral.
1.
a)
KBr
b)
NHẠI
c)
KCN
d)
NazCO3
e)
CaCl2
NazSO4
Transcribed Image Text:Explain with equations as in the examples on previous picture, whether an aqueous solution of each of these salts is acidic, basic, or пеutral. 1. a) KBr b) NHẠI c) KCN d) NazCO3 e) CaCl2 NazSO4
a salt consisting of the anion of a strong acid and the cation of a
strong base yields a neutral solution
HNO30 + H2O0 → NO: (ag) + H3O* (ag)
Na OH) → Na* (ag) + OH (ag)
HNO3(ag) + NaOH(ag)
Na NO3 (ag) + H2OM
• the anions of strong acids are the halide ions, except F
• the anions of strong oxoacids, NO: and CIOA-
• the cations of strong bases are those from Group 1A(1)
• Ca?+, Sr+, and Ba?+ from Group 2A(2)
Salts That Yield Acidic Solutions
• A salt consisting of the anion from a strong acid and the cation from
a weak base yields an acidic solution
NHẠC)
→ NH4* (ag) + Cl (ag)
NH4* (ag) + H200
NH3 (a9) + H3O* (ag)
Salts That Yield Basic Solutions
• A salt consisting of the anion from a weak acid and the cation from a
strong base yields a basic solution
NACH3COO)
- Na*(ag) + CH3COO (ag)
CH:COO (ag) + H2O@ CH;COOH(ag) + OH (ag)
Transcribed Image Text:a salt consisting of the anion of a strong acid and the cation of a strong base yields a neutral solution HNO30 + H2O0 → NO: (ag) + H3O* (ag) Na OH) → Na* (ag) + OH (ag) HNO3(ag) + NaOH(ag) Na NO3 (ag) + H2OM • the anions of strong acids are the halide ions, except F • the anions of strong oxoacids, NO: and CIOA- • the cations of strong bases are those from Group 1A(1) • Ca?+, Sr+, and Ba?+ from Group 2A(2) Salts That Yield Acidic Solutions • A salt consisting of the anion from a strong acid and the cation from a weak base yields an acidic solution NHẠC) → NH4* (ag) + Cl (ag) NH4* (ag) + H200 NH3 (a9) + H3O* (ag) Salts That Yield Basic Solutions • A salt consisting of the anion from a weak acid and the cation from a strong base yields a basic solution NACH3COO) - Na*(ag) + CH3COO (ag) CH:COO (ag) + H2O@ CH;COOH(ag) + OH (ag)
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