Larutan KCl 1,0 M diencerkan menjadi KCl 0,2 M di dalam labu ukur 250 mL. Berapa volume larutan KCl 1,0 M yg digunakan? (Ar: K = 39, Cl = 35,5 , H = 1, O = 16)
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Larutan KCl 1,0 M diencerkan menjadi KCl 0,2 M di dalam labu ukur 250 mL. Berapa volume larutan KCl 1,0 M yg digunakan? (Ar: K = 39, Cl = 35,5 , H = 1, O = 16)
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V₁ . 1 = 250 . 0,2
V₁ = 50/1
V₁ = 50 ml
jadi KCl 1,0 M yg dibutuhkan 50 ml