Kelarutan PbI2 ksp = 1,6 x 10^-8 dalam larutan Pb(NO3)2 0,1 M adalah....
a 2 x10^-3 M
B 4 x10^-3 M
C 2 x10^-4 M
D 4 x10^-4 M
E. 3 x10^-4 M
Bantu pakai caranya yaaaa
a 2 x10^-3 M
B 4 x10^-3 M
C 2 x10^-4 M
D 4 x10^-4 M
E. 3 x10^-4 M
Bantu pakai caranya yaaaa
fatihahalhusna
![PbI_2\rightarrow Pb^{2+}+2I^-\\~~~S~~~~~~~~S~~~~~~~2S\\\\Pb(NO_3)_2\rightarrow Pb^{2+}+2NO_3^-\\~~~~0,1M~~~~~~~0,1M~~~~0,2M\\\\{[Pb^{2+}]}=S+0,1\approx0,1\ M\\{[I^-]}~~~=2S](https://tex.z-dn.net/?f=PbI_2%5Crightarrow+Pb%5E%7B2%2B%7D%2B2I%5E-%5C%5C%7E%7E%7ES%7E%7E%7E%7E%7E%7E%7E%7ES%7E%7E%7E%7E%7E%7E%7E2S%5C%5C%5C%5CPb%28NO_3%29_2%5Crightarrow+Pb%5E%7B2%2B%7D%2B2NO_3%5E-%5C%5C%7E%7E%7E%7E0%2C1M%7E%7E%7E%7E%7E%7E%7E0%2C1M%7E%7E%7E%7E0%2C2M%5C%5C%5C%5C%7B%5BPb%5E%7B2%2B%7D%5D%7D%3DS%2B0%2C1%5Capprox0%2C1%5C+M%5C%5C%7B%5BI%5E-%5D%7D%7E%7E%7E%3D2S "PbI_2\rightarrow Pb^{2+}+2I^-\\~~~S~~~~~~~~S~~~~~~~2S\\\\Pb(NO_3)_2\rightarrow Pb^{2+}+2NO_3^-\\~~~~0,1M~~~~~~~0,1M~~~~0,2M\\\\{[Pb^{2+}]}=S+0,1\approx0,1\ M\\{[I^-]}~~~=2S")
![Ksp\ PbI_2=[Pb^{2+}][I^-]^2\\1,6\times10^{-8}=(0,1)(2S)^2\\1,6\times10^{-8}=0,4S^2\\~~~~~~~~~~~~S^2=4\times10^{-8}\\~~~~~~~~~~~~S=\sqrt{4\times10^{-8}}\\\\~~~~~~~~~~~~S=\boxed{\boxed{\bold{2\times10^{-4}\ M}}}](https://tex.z-dn.net/?f=Ksp%5C+PbI_2%3D%5BPb%5E%7B2%2B%7D%5D%5BI%5E-%5D%5E2%5C%5C1%2C6%5Ctimes10%5E%7B-8%7D%3D%280%2C1%29%282S%29%5E2%5C%5C1%2C6%5Ctimes10%5E%7B-8%7D%3D0%2C4S%5E2%5C%5C%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7ES%5E2%3D4%5Ctimes10%5E%7B-8%7D%5C%5C%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7ES%3D%5Csqrt%7B4%5Ctimes10%5E%7B-8%7D%7D%5C%5C%5C%5C%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7ES%3D%5Cboxed%7B%5Cboxed%7B%5Cbold%7B2%5Ctimes10%5E%7B-4%7D%5C+M%7D%7D%7D "Ksp\ PbI_2=[Pb^{2+}][I^-]^2\\1,6\times10^{-8}=(0,1)(2S)^2\\1,6\times10^{-8}=0,4S^2\\~~~~~~~~~~~~S^2=4\times10^{-8}\\~~~~~~~~~~~~S=\sqrt{4\times10^{-8}}\\\\~~~~~~~~~~~~S=\boxed{\boxed{\bold{2\times10^{-4}\ M}}}")
4 votes
Thanks 25
More Questions From This User See All
