August 2018 1 64 Report
1) Hitung pH Mg (OH)² 24 gram dalam 500 ml air dimana AR Mg=24, AR O=16, Ar H=1 ?
2) Jika diketahui 0.8 gram H² S4 dilarutkan dalam 200 ml air, ARH=1,ARS=32, ARO=16. Hitunglah konsentrasi H²SO4 dan pH-nya ?

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