konsep mol dan stoikiometri
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Khansa Haida
Used 77+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika diketahui Ar : Al = 27; S = 32 dan O = 16, Mr Al2(SO4)3 sebesar . . . .
123
150
214
310
342
2.
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 … .
0,05 mol
0,15 mol
0,20 mol
0,25 mol
1,10 mol
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Jika Ar C = 12 dan O = 16, maka volume dari 8,8 gram gas CO2 pada keadaan standar (STP) adalah … .
2,24 liter
4,48 liter
6,72 liter
8,96 liter
22,4 liter
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Volume dari 8 gram SO3 (Ar S = 32 dan O = 16) pada suhu 30 °C dan tekanan 1 atm (R = 0,082) adalah ... .
1,24 liter
2,48 liter
4,48 liter
5,24 liter
6,12 liter
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
100 mL HCl 0,8 M diencerkan dengan menambahkan air sebanyak 300 mL, maka konsentrasi HCl sekarang adalah …
0,6 M
0,5 M
0,4 M
0,3 M
0,2 M
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Massa Molekul Relatif H2O adalah... .
Massa atom H ditambah dengan massa atom O
Massa atom H dikurang dengan massa atom O
Massa 2 atom H ditambah dengan massa 2 atom O
Massa 2 atom H dikurang dengan massa 2 atom O
Massa 2 atom H ditambah dengan massa atom O
7.
MULTIPLE CHOICE QUESTION
15 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
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