Laritan HNO3 dalam air memiliki pH = 2. pH larutan akan berubah menjadi pH = 4 apabila diencerkan sebanyak ....
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![pH=2 \rightarrow [H^+]=10^{-2}~M \rightarrow M_{HNO_3}=10^{-2}~M \\ \\ pH=4 \rightarrow [H^+]=10^{-4}~M \rightarrow M_{HNO_3}=10^{-4}~M \\ \\ \\ M_1.V_1=M_2.V_2 \\ \\ \frac{V_2}{V_1}= \frac{M_1}{M_2} \\ \\ {V_1}= \frac{10^{-2}}{10^{-4}}=100~kali](https://tex.z-dn.net/?f=pH%3D2+%5Crightarrow+%5BH%5E%2B%5D%3D10%5E%7B-2%7D%7EM+%5Crightarrow+M_%7BHNO_3%7D%3D10%5E%7B-2%7D%7EM+%5C%5C++%5C%5C+pH%3D4+%5Crightarrow+%5BH%5E%2B%5D%3D10%5E%7B-4%7D%7EM+%5Crightarrow+M_%7BHNO_3%7D%3D10%5E%7B-4%7D%7EM+%5C%5C++%5C%5C++%5C%5C+M_1.V_1%3DM_2.V_2+%5C%5C++%5C%5C++%5Cfrac%7BV_2%7D%7BV_1%7D%3D+%5Cfrac%7BM_1%7D%7BM_2%7D+%5C%5C++%5C%5C+%7BV_1%7D%3D+%5Cfrac%7B10%5E%7B-2%7D%7D%7B10%5E%7B-4%7D%7D%3D100%7Ekali "pH=2 \rightarrow [H^+]=10^{-2}~M \rightarrow M_{HNO_3}=10^{-2}~M \\ \\ pH=4 \rightarrow [H^+]=10^{-4}~M \rightarrow M_{HNO_3}=10^{-4}~M \\ \\ \\ M_1.V_1=M_2.V_2 \\ \\ \frac{V_2}{V_1}= \frac{M_1}{M_2} \\ \\ {V_1}= \frac{10^{-2}}{10^{-4}}=100~kali")
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