
penurunan tekanan uap
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
ADEK SIREGAR
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Penurunan tekanan uap suatu larutan disebabkan oleh ...
peningkatan suhu larutan
peningkatan jumlah molekul pelarut
pengurangan ikatan antar pelarut
adanya zat terlarut non-volatil yang menghambat penguapan pelarut
pelarut memiliki titik didih tinggi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tekanan uap pelarut murni adalah 120 mmHg. Jika setelah ditambahkan zat non-volatil menjadi 114 mmHg, maka penurunan tekanan uapnya adalah ...
114 mmHg
120 mmHg
6 mmHg
126 mmHg
12 mmHg
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rumus penurunan tekanan uap larutan berdasarkan fraksi mol zat terlarut adalah ...
ΔP = Kb × m
ΔP = i × Kf × m
ΔP = P⁰ × Xpelarut
ΔP = P⁰ × Xterlarut
ΔP = P⁰ - Plarutan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara zat berikut, yang akan memberikan penurunan tekanan uap paling besar jika jumlah molnya sama adalah …
NaCl
C₆H₁₂O₆
MgCl₂
Urea
CH₃OH
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tekanan uap pelarut murni = 90 mmHg dan fraksi mol zat terlarut = 0,1. Maka tekanan uap larutan adalah ...
90 mmHg
89 mmHg
81 mmHg
9 mmHg
0,9 mmHg
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu contoh zat non-volatil yang menyebabkan penurunan tekanan uap jika dilarutkan dalam pelarut adalah …
etanol
air
aseton
glukosa
iodin
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara pilihan berikut, mana yang bukan merupakan faktor yang memengaruhi besar kecilnya penurunan tekanan uap?
Jenis zat terlarut
Banyaknya partikel zat terlarut
Fraksi mol zat terlarut
Tekanan atmosfer
Jumlah pelarut
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