1. Hitunglah massa molekul relatif senyawa (NH2)4SO4 dan C6H12O6, jika diketahui Ar H = 1, N =14, O = 16, S = 32 dan C= 12
SOAL STOIKIOMETRI

Quiz
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Chemistry
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9th - 12th Grade
•
Hard
Taryani Ujang
Used 12+ times
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10 questions
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1.
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2 mins • 1 pt
2.
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3 mins • 1 pt
2. Suatu sampel gas O2 mengandung 1,505 × 1023 partikel. Apa jenis partikel gas O2? Berapa banyaknya mol O2 tersebut?
3.
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1 min • 1 pt
3. Berapakah massa C6H12O6 yang dibutuhkan untuk membuat 2 liter larutan C6H12O6 0,05 M (Ar C = 12, H = 1, O = 16)?
4.
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1 min • 1 pt
4. Diketahui ada logam yang bereaksi di dalam asam yang mengakibatkan munculnya gas hidrogen. Berapa mol gas hidrogen yang diproduksi bila terdapat 86,5 liter gas tersebut bila diukur pada kondisi STP?
5.
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3 mins • 1 pt
5. Tentukan volume dari 0,6 mol gas hidrogen yang diukur pada c suhu 28 °C dan tekanan 1 atm!
6.
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3 mins • 1 pt
6. Tentukan rumus empiris dari senyawa yang mengandung 59% natrium dan 41% belerang! (Ar Na = 23, S = 32).
7.
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3 mins • 1 pt
7. Suatu senyawa organik dengan Mr = 90 tersusun dari 40% karbon; 6,6% hidrogen; dan sisanya oksigen (Ar C=12; H = 1; O = 16). Tentukan rumus molekul senyawa tersebut!
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