
STOIKIOMETRI (Ar & Mr)
Authored by Shoyang Gadis Supratania
Chemistry
1st Grade
Used 40+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
perbandingan massa rata-rata satu atom unsur tersebut dengan 1/12 massa satu atom isotop C-12 disebut ...
massa atom relatif
massa molekul relatif
jumlah zat yang mengandung 6,02 x 1023
massa molar
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
perbandingan massa satu molekul unsur atau senyawa terhadap 1/12 massa satu atom isotop C-12 disebut
massa molar
massa atom relatif
massa molekul relatif
volume molar
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berikut ini pernyataan yang paling benar mengenai massa atom relatif adalah ….
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Satuan yang digunakan untuk massa atom relatif adalah ….
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika diketahui Ar H=1, S=32, dan O=16, massa molekul relatif untuk senyawa asam sulfat (H2SO4) adalah…
90
98
100
110
120
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Massa molekul relatif untuk senyawa Fe2(SO4)3 jika diketahui massa atom relative (Ar) Fe=56, S=32, dan O=16 adalah…
156
208
304
334
400
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika diketahui Ar Ti=48 sma dan massa 1 atom 12C = 2 x10-23 gram, tentukan massa 10 atom Titanium
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