konsep mol
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Medium
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hitunglah massa 0,1 mol batu kapur (CaCO3) jika diketahui Ar Ca = 40, Ar C = 12 dan Ar O = 16).
5 gram
10 gram
15 gram
20 gram
25 gram
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jumlah mol air yang mengandung 2,408 x 1023 atom molekul air adalah…
0,02 mol
0,04 mol
0,05 mol
0,2 mol
0,4 mol
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu senyawa memiliki massa molar (Mr)= 60 gram/mol. Massa 0,25 mol senyawa tersebut adalah…
10 gram
12 gram
15 gram
20 gram
24 gram
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jumlah mol dari 29,8 gram amonium fosfat ((NH4)3PO4) (Ar N = 14, H = 1, dan P = 31) adalah … .
1,10 mol
0,25 mol
0,20 mol
0,15 mol
0,05 mol
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika diketahui Ar Ca = 40, C = 12, O = 16 dan bilangan Avogadro = 6,02×1023, maka 50 gram CaCO3 mempunyai jumlah molekul … .
1,204 × 1023
3,01 × 1023
6,02 × 1022
3,01 × 1022
3,01 × 1021
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hitunglah mol dari 80 gram CH4 ? ( Ar C=12 H =1)
2 mol
3 mol
4 mol
5 mol
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4 gram NaOH mempunyai jumlah mol...(Ar Na =23, O=16 H=1)
1
10
0,1
0,01
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