Question
In: Chemistry
Net Ionic Equation 1) Hydrocyanic Acid + Nickel(II) Chloride ----> 2) Acetic Acid + Barium Hydroxide...
Net Ionic Equation
1) Hydrocyanic Acid + Nickel(II) Chloride ---->
2) Acetic Acid + Barium Hydroxide ---->
3) Ammonium Phosphate + Cobalt(II) Bromide
Please go step by step, i have an Test on this tomorrow. Thank You
Solutions
Expert Solution
1.
HCN(aq) + NiCl2(aq) 
Ni(CN)2(s) + HCl(aq)
The balanced equation is
2HCN(aq) + NiCl2(aq)
Ni(CN)2(s) + 2HCl(aq)
Ionic equation with all ions
2H+(aq) + 2CN-(aq) + Ni2+(aq) +
2Cl-(aq)
Ni(CN)2(s) + 2H+(aq)
+ 2Cl-(aq)
Net ionic equation with spectator ions out
2CN-(aq) + Ni2+(aq)
Ni(CN)2(s)
2.
CH3COOH(aq)
+ Ba(OH)2(aq) Ba(CH3COO)2(aq)
+ H2O(l)
The balanced equation is
2CH3COOH(aq)
+ Ba(OH)2(aq) Ba(CH3COO)2(aq)
+ H2O(l)
Ionic equation with all ions
2CH3COO-(aq) + 2H+(aq) +
Ba2+(aq) + 2OH-(aq)
Ba2+(aq) + 2CH3COO- (aq) +
2H2O(l)
Net ionic equation with spectator ions out
2H+(aq)
+ 2OH-(aq) 2H2O(l)
3.
(NH4)3PO4(aq) +
CoBr2(aq)
Co3(PO4)2(s) +
NH4Br(aq)
The balanced equation is
2(NH4)3PO4(aq) +
3CoBr2(aq)
Co3(PO4)2(s) +
6NH4Br(aq)
Ionic equation with all ions
6NH4+(aq) +
2PO43-(aq) + 3Co2+(aq) +
6Br-(aq) Co3(PO4)2(s)
+
6NH4+(aq) + 6Br-(aq)
Net ionic equation with spectator ions out
2PO43-(aq) +
3Co2+(aq) Co3(PO4)2(s)
queen_honey_blossom answered 1 year agoRelated Solutions
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though.
1) BaSO4(s) -> Ba^2+(aq) + SO4^2-(aq) (both products crossed
out)
2) Ca3(PO4)2(s) -> 3Ca^2+(aq) + 2PO4^3-(aq) (2PO4^3-(aq)
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Mn(OH)2(s) + 2H+(aq)
---> Mn2+(aq) +
2H2O(l)
Mn(OH)2(s) + 2H+(aq)
---> MnH2(s) +
2OH−(aq)
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Wanting to form nickel(II) cyanide, Ni(CN)2, a chemist adds
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precipitate Ni(CN)2. The important equlibria for this process are
given below:
HCN(aq) <--> H+(aq) + CN-(aq) Ka=4.0x10^(-10)
Ni(CN)2(s) <--> Ni2+(aq) +2CN-(aq) Ksp= 3.0x1-^(-23)
a) what is the equilibrium constant, Knet, for the following
reaction which describes the precipitation reaction the chemist
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Ni2+(aq) + 2HCN(aq) <--> 2H+(aq) + Ni(CN)2(s)
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b) Can the chemist readily form...
Wanting to form nickel(II) cyanide, Ni(CN)2, a chemist adds hydrocyanic acid, HCN, to a solution containing...
Wanting to form nickel(II) cyanide, Ni(CN)2, a chemist adds
hydrocyanic acid, HCN, to a solution containing Ni2+ ions hoping to
precipitate Ni(CN)2. The important equlibria for this process are
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Ni(CN)2(s) <--> Ni2+(aq) +2CN-(aq) Ksp= 3.0x1-^(-23) a) what
is the equilibrium constant, Knet, for the following reaction which
describes the precipitation reaction the chemist wants to perform?
Ni2+(aq) + 2HCN(aq) <--> 2H+(aq) + Ni(CN)2(s) Knet=????? b)
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Wanting to form nickel(II) cyanide, Ni(CN)2, a chemist adds hydrocyanic acid, HCN, to a solution containing...
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hydrocyanic acid, HCN, to a solution containing Ni2+ ions hoping to
precipitate Ni(CN)2. The important equlibria for this process are
given below:
HCN(aq) <--> H+(aq) + CN-(aq) Ka=4.0x10^(-10)
Ni(CN)2(s) <--> Ni2+(aq) +2CN-(aq) Ksp= 3.0x1-^(-23)
a) what is the equilibrium constant, Knet, for the following
reaction which describes the precipitation reaction the chemist
wants to perform?
Ni2+(aq) + 2HCN(aq) <--> 2H+(aq) + Ni(CN)2(s)
Knet = ?
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