(Gunakan Petunjuk 1)Larutan K2PtCl6(aq) dengan konsentrasi C = 2,5 x - ProProfs
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(Gunakan Petunjuk 1)Larutan K2PtCl6(aq) dengan konsentrasi C = 2,5 x 10-4 mol.dm-3 dalam sel (kuvet) dengan optical path length b = 2,0 cm diukur dengan spektrofotometer UV-Vis, menghasilkan spektrum dengan absorbansi, A = 0,875 pada panjang gelombang = 264 nm. Hitunglah nilai konsentrasi larutan K2PtCl6(aq) yang lain bila diketahui A = 0,700 pada yang sama dalam sel dengan b = 0,5 cm!





A. 4,0 x 10-4 mol.dm-3

B. 1,6 x 10-3 mol.dm-3

C. 8,0 x 10-4 mol.dm-3
D. 4,0 x 10-3 mol.dm-3
E. 4,0 x 104 mol.dm-3


This question is part of Babak Penyisihan NCC 2014 Region 4
Asked by Himkaits on May 12, 2017

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1 Answer

John Smith

John Smith

Answered on May 12, 2017

8,0 x 10-4 mol.dm-3
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