January 2019 1 57 Report
1.Sebanyak 4 gram NaOH dilarutkan ke dalam air hingga volumenya menjadi 500 mL.Tentukan konsentrasi NaOH dalam larutan tersebut! (Mr NaOH=40). 2.Tentukan konsentrasi larutan yg terjadi jika kedalam 10 mL Na2 S2 O3 0,5 M di tambah 10 mL air! Mohon bantuannya...thanks
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