

sifat koligatif larutan
Presentation
•
Chemistry
•
12th Grade
•
Hard
AMIRUDDIN AMIRUDDIN
FREE Resource
13 Slides • 3 Questions
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kimia
By AMIRUDDIN , s.pd
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SIFAT KOLIGATIF LARUTAN
OLEH : MARIA YASINTHA MUDA, S.Pd
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SIFAT KOLIGATIF LARUTAN :
Sifat-sifat larutan yang tidak bergantung pada jenis zat terlarut tetapi bergantung pada banyaknya partikel zat terlarut dalam larutan.
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sifat-sifat koligatif larutan meliputi
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KONSENTRASI LARUTAN yang berhubungan dengan perhitungan sifat-sifat koligatif larutan
Molaritas
Molalitas
fraksi mol
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1. MOLARITAS (M):
Menyatakan banyaknya mol zat terlarut di dalam setiap 1.000 gram pelarut.
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CONTOH SOAL :
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Multiple Choice
NaOH ( Mr = 40 gr/mol ) sebanyak 4 gram dilarutkan kedalam air sehingga volumenya menjadi 150 mL. Berapakah kemolaran larutan tersebut …..
0,47m
0,57m
0,67m
0,87m
0,97m
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2. Molalitas (m) : Menyatakan banyaknya mol zat terlarut di dalam setiap 1.000 gram pelarut.
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contoh soal
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Multiple Choice
Berapakah molalitas larutan yang mengandung 12 gram NaOH (Ar Na = 23 gr/mol, Ar O = 16 g/mol, dan Ar H = 1 gr/mol) terlarut dalam 500 gr air …..
0,6 m
0,4 m
0,2 m
0,1 m
0,8 m
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3. Fraksi Mol ( X ) : Menyatakan perbandingan banyaknya mol dari zat tersebut terhadap jumlah mol seluruh komponen dalam larutan.
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Multiple Choice
Larutan glukosa dibuat dengan melarutkan 18 g glukosa (Mr = 180 g/mol) ke dalam 250 g air. Berapakah fraksi mol glukosa …..
0,03
0,02
0,01
0,2
0,3
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DISKUSI KELOMPOK
PENURUNAN TEKANAN UAP
KENAIKAN TITIK DIDIH
PENURUNAN TITIK BEKU
TEKANAN OSMOSIS
kimia
By AMIRUDDIN , s.pd
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