
Stoikiometri Kimia
Authored by Rafli I
Chemistry
10th Grade
Used 5+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apa kepanjangan dari Mr?
Massa Atom Relatif
Massa Molekul Relatif
Satuan Massa Atom
Massa relatif
Answer explanation
Mr adalah Massa molekul relatif suatu senyawa kimia
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Zat-zat yang berada di sebelah kiri tanda panah dalam suatu reaksi kimia disebut...
Isotop
Molekul
Reaktan
Produk
Answer explanation
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
0
1
2
3
Answer explanation
Koefisien menyatakan jumlah molekul yang ikut bereaksi, koefisien 1 biasanya tidak ditulis, maka molekul Oksigen yang bereaksi = 1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika diketahut Ar H = 1, Ar O = 16, dan Ar Ca = 40, maka berapakah Mr senyawa Ca(OH)2?
57
58
74
114
Answer explanation
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1
2
3
4
Answer explanation
Supaya setara maka nilai a adalah 2 sehingga jumlah atom O di kiri dan kanan sama yaitu 4
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