1. basic;NaOH and Ca(OH)2
2. neutral;Na2CO3 and CaCO3
3. basic; Na2CO3 and CaCO3
4. acidic; NaOH and CaCO3
acidic; NaOH and CaCO<sub>3</sub>
1. 6 and 6.93
2. 5 and 5.92
3. 5 and 4.9
4. 4 and 5.92
5 and 5.92
1. +6,1090
2. +8,1030
3. +6,1030
4. +8,1200
+6,103<sup>0</sup>
1. Pb2+>Pb4+
2. Pb4+> Pb2+
3. Si2+>Si4+
4. Sn4+>Sn2+
Sn<sup>4+</sup>>Sn<sup>2+</sup>
1. H2SO3
2. H2S2O8
3. O2
4. H2
H<sub>2</sub>S<sub>2</sub>O<sub>8</sub>
1. -e2/r
2. -e2/r2
3. -e2/2r
4. -e2/2r2
-e<sup>2</sup>/2r
1. 9.94x10-12
2. 9.94x10-19
3. 4.97x10-12
4. 4.97x10-19
9.94x10<sup>-12</sup>
1. (x/m) = KP
2. (x/m) = KPn
3. log(x/m) = KPn
4. log(x/m )= Kn logP
(x/m) = KPn
1. sp2
2. sp3
3. sp
4. dsp2
sp<sup>3</sup>
1. MgO,H2O,CO2
2. Mg(HCO3)2,H2O
3. Mg(OH)2,H2O
4. Mg,CO2,H2O
MgO,H<sub>2</sub>O,CO<sub>2</sub>