Massa kristal NaOH yang dibutuhkan untuk membuat 250 mL larutan 0.1 M
adalah…gr (Mr Na = 23, O = 16, H = 1)
kuis kimia kelas 10
Quiz
•
Chemistry
•
10th Grade
•
Hard
andi cahyono
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Massa kristal NaOH yang dibutuhkan untuk membuat 250 mL larutan 0.1 M
adalah…gr (Mr Na = 23, O = 16, H = 1)
0,01 gram
0,1 gram
1 gram
10 gram
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Konsentrasi larutan dibuat dari 25 gram padatan CaCO3 dan dilarutkan dalam air hingga volume larutan menjadi 500 mL adalah…
(Ar Ca = 40, C = 12, O = 16)
0,025 M
0,05 M
0,25 M
0,5 M
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Massa Na2CO3 yang ada dalam 200 mL larutan Na2CO3 0,1 M adalah ... (Ar Na = 23, C = 12, O = 16)
1 gram
2 gram
3 gram
4 gram
5 gram
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Massa molekul relatif molekul X dalam 100 mL larutan X 0,3 M, jika massa X dalam larutan sebesar 1 gram adalah...
60
80
33
66
342
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Larutan 0,1 molal NaOH terbuat dari 20 gram NaOH dengan ..... (Ar Na = 23, O = 16, H = 1)
1000 gram air
1500 gram air
2000 gram air
5000 gram air
6000 gram air
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berapakah kemolaram larutan yang dibuat dengan mlarutkan 2 gram NaOH dalam 100 mL larutan?
0,05
0,5
0,75
1,00
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