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MgCl2 2. 10^-3M akan mengendap jika Ph dinaikkan hingga 10. Tetapan hasil kali kelarutan Mg(Oh)2 adalah......
MgCl2 2. 10^-3M akan mengendap jika Ph dinaikkan hingga 10. Tetapan hasil kali kelarutan Mg(Oh)2 adalah......
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![pH=10\\pOH=4\\~ [OH^-]=10^{-4}\ M\\\\\text{Dalam Larutan MgCl}_2\ 2. 10^{-3}\ M \rightarrow [Mg^{2+}]=2.10^{-3}\\\\K_{sp}\ Mg(OH)_2=[Mg^{2+}][OH^-]^2\\\\~~~~~~~~~~~~~~~~~~~~=(2.10^{-3})(10^{-4})^2\\\\~~~~~~~~~~~~~~~~~~~~=\boxed{2\times10^{-11}}](https://tex.z-dn.net/?f=pH%3D10%5C%5CpOH%3D4%5C%5C%7E+%5BOH%5E-%5D%3D10%5E%7B-4%7D%5C+M%5C%5C%5C%5C%5Ctext%7BDalam+Larutan+MgCl%7D_2%5C+2.+10%5E%7B-3%7D%5C+M+%5Crightarrow+%5BMg%5E%7B2%2B%7D%5D%3D2.10%5E%7B-3%7D%5C%5C%5C%5CK_%7Bsp%7D%5C+Mg%28OH%29_2%3D%5BMg%5E%7B2%2B%7D%5D%5BOH%5E-%5D%5E2%5C%5C%5C%5C%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%3D%282.10%5E%7B-3%7D%29%2810%5E%7B-4%7D%29%5E2%5C%5C%5C%5C%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%3D%5Cboxed%7B2%5Ctimes10%5E%7B-11%7D%7D "pH=10\\pOH=4\\~ [OH^-]=10^{-4}\ M\\\\\text{Dalam Larutan MgCl}_2\ 2. 10^{-3}\ M \rightarrow [Mg^{2+}]=2.10^{-3}\\\\K_{sp}\ Mg(OH)_2=[Mg^{2+}][OH^-]^2\\\\~~~~~~~~~~~~~~~~~~~~=(2.10^{-3})(10^{-4})^2\\\\~~~~~~~~~~~~~~~~~~~~=\boxed{2\times10^{-11}}")
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