
konsep mol
Authored by Sri Mulyati
Chemistry
10th Grade
Used 11+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
Diketahui massa atom relative natrium adalah 23. Berapakah massa dari atom 7 atom natrium …
161 sma
181 sma
191 sma
201 sma
2.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
Jika diketahui Ar O=16 dan L=6,02 x 1023, maka dalam 4 gram oksigen terdapat atom sebanyak ….
1,5 x 1023
7,52 x 1022
1, 25 x 1023
2,4 x 1024
3.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
Berapakah banyaknya mol dari 35,1 gram NaCl (Ar Na=23, Cl=35,5)…
0,85 mol
0,3 mol
0,95 mol
0,6 mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Dalam kehidupan sehari-hari kita sering menggunakan satuan untuk menyebutkan bilangan yang besar. Satuan zat dalam ilmu kimia disebut …
sma
gram
partikel
mol
5.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
Massa nitrogen yang terdapat dalam 200 gram ammonium sulfat ((NH4)2SO4) adalah …
42,42 gram
4,91 gram
7,14 gram
9, 42 gram
6.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
Diketahui Ar H=1, O=16 dan Mr dari M(OH)2=58. Berapakah massa atom relative dari unsur M…..
44
34
24
14
7.
MULTIPLE CHOICE QUESTION
45 sec • 15 pts
Berapakah jumlah partikel molekul yang terdapat dalam 3 mol NH3…
1,8 x 1023
8,1 x 1024
3,1 x 1024
2,5 x 1024
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