

Konsentrasi Larutan
Presentation
•
Chemistry
•
11th Grade
•
Hard
Arvina Rusli
FREE Resource
7 Slides • 10 Questions
1
2
3
4
5
6
7
8
Multiple Choice
Untuk membuat larutan NaOH 0,1 M sebanyak 250 mL, maka NaOH padat yang harus dilarutkan adalah sebanyak ..... gram
0,4
1
2
4
16
9
Multiple Choice
Arti larutan gula 5% adalah...
dalam 100 gram larutan terdapat 5 gram air
dalam 100 gram pelarut terdapat 5 gram urea
dalam 100 gram larutan terdapat 95 gram urea
dalam 100 gram larutan terdapat 5 gram urea
10
Multiple Choice
100 gram gula ditambahkan 400 gram air. Maka % massa gula dalam larutan adalah...
10%
20%
30%
40%
11
Multiple Choice
Kedalam 49 gram asam fosfat (Mr = 98) ditambahkan air sampai volume 500 mL. Tentukan konsentrasi asam fosfat dalam larutan !
0,1 M
0,5 M
1,0 M
1,5M
12
Multiple Choice
Arti dari larutan urea 0,2 M adalah...
Dalam 1 liter larutan terdapat 0,2 mol urea
Dalam 1 liter larutan terdapat 0,2 mol air
Dalam 1 liter pelarut terdapat 0,2 mol urea
Dalam 1 liter pelarut terdapat 0,2 gram urea
13
Multiple Choice
Larutan 500 mL glukosa C6H12O6 memiliki konsentrasi 0,5 M. Jika massa atom relatif C = 12, H = 1, O = 16 Berapakah massa glukosa dalam larutan tersebut ...
35 gram
45 gram
50 gram
55 gram
4,5 gram
14
Multiple Choice
Jika kita melarutkan 9 gram glukosa (Mr = 180) ke dalam 250 gram air, maka kemolalan larutan glukosa adalah ..
2 molal
0,2 molal
0,02 molal
20 molal
1 moll
15
Multiple Choice
Sebanyak 3,42 gram Al2(SO4)3 ditambahkan air sehingga volume larutan 2 L, kemolaran yang terbentuk adalah ( Ar : AI=27 S=32 O=16 ) ...
0,5 M
0,1 M
0,05 M
0,01 M
0,005 M
16
Multiple Choice
6. Molaritas itu sama dengan molalitas
Benar
Salah
17
Multiple Choice
Ani melarutkan 10 gram NaOH (Mr=40) kedalam 90 gram air (Mr=18). Maka fraksi mol NaOH dalam air adalah ....
1/20
2/20
3/20
1/21
20/21
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