Konsentrasi Larutan
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
N@S RIDA
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Konsentrasi larutan asam formiat HCOOH 4,6% massa, dengan massa jenis 1,01 g/mL adalah ... (Ar H=1,C=12,O=16)
0,101 M
1,01 M
10,1 M
11,1 M
2,01 M
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan NaOH dalam air memiliki kadar 40 %. Hitunglah fraksi mol NaOH dalam larutan tersebut ... (Mr NaOH = 40)
0,21
0,22
0,23
0,24
0,25
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Molalitas suatu larutan yang mengandung 20 % berat C2H5OH (Mr = 46) adalah
6,4 m
5,4 m
4,4 m
3,4 m
2,4 m
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui proses pembuatan asam sulfat (H2SO4) sesuai dengan gambar diatas, Jika Ar H = 1, S = 32, O = 16 Massa H2SO4 yang ditambahkan kedalam air sesuai dengan gambar berikut dengan konsentrasi 0,2 M adalah...
1,96 gram
9,8 gram
19,6 gram
0,98 gram
0,196 gram
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika diketahui kemolalan suatu larutan = 0,2 m dan massa jenis larutan = 1,1 g/mL. Tentukan molaritas larutan tersebut!
0,12 M
0,21 M
0,20 M
0,19 M
0,13 M
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Cuka makan CH3COOH umumnya memiliki kadar 20 % dengan massa jenis 1,05 gram/mL. Berapa molaritas cuka tersebut ... (Ar C = 12, H = 1, O = 16)
1,5 M
2,5 M
3,5 M
4 M
4,5 M
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan asam klorida (HCl) pekat tersedia di laboratorium dengan konsentrasi 11,8 M. Jika Mr HCl = 36,5 dan massa jenisnya 1,18 g/mL, kadar asam klorida pekat adalah sebesar ...
1,00 %
3,65 %
7,10 %
10,00 %
36,50 %
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