Kadar Zat dan Konsentrasi
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
kang ama
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dalam 50 mL air terdapat 50 gram gula pasir, berapakah kadar gula pasir dalam air tersebut? massa jenis air =1 gram/ml
25 %
50 %
75 %
100 %
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tentukan kadar alkohol yang mengandung 30 mL alkohol dan 70 mL air ?
15 %
30 %
70 %
95 %
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berapa molaritas larutan 0,4 mol HCl dalam 2 L larutan?
0,2 M
0,5 M
1 M
1,2 M
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa kadar gula dalam larutan yang dibuat dengan mencampurkan 20 gram gula dalam 80 gram air?
40%
60%
20%
35%
15%
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berapa molalitas urea (CO(NH2)2) yang dibuat dengan mencampurkan 6 gram urea dalam 200 gram air? (Ar O = 16 : N = 14 : C = 12 : H = 1)
0,1 molal
0,2 molal
0,5 molal
0,8 molal
1 molal
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berapa volume alkohol ( dalam mL ) yang terdapat dalam 400 mL lautan alkohol yang memiliki kadar 70%
120 mL
280 mL
180 mL
220 mL
140 mL
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bpj atau ppm menyatakan berapa bagian zat dalam sejuta campuran....
Setengah bagian zat dalam sejuta bagian campuran
Tidak menyatakan bagian zat
Menyatakan zat berlipat lipat dalam sejuta bagian campuran
Menyatakan 1 bagian zat dalam sejuta campuran
Menyatakan bagian zat tak terhingga
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