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Stokiometri- mol

Authored by Ummi Kalsum

Chemistry

8th Grade

Used 19+ times

Stokiometri- mol
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5 questions

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1.

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1 min • 1 pt

Terdapat 12,04 x 10 23 H2O. Berapakah jumlah mol H2O ?

2.

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1 min • 1 pt

Hitunglah massa molekul relatif (Mr) dari CaCl2 diketahui Ar Ca = 40 gr/mol Ar Cl = 17,5 gram/mol

3.

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1 min • 1 pt

Hitunglah mol dari 120 gram urea diketahui Mr dari urea 60 gram/mol

4.

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1 min • 1 pt

Diketahui mol vitamin C adalah 2 m jika Mr vitamin C = 176 gram/mol maka berapakah massa vitamin C tersebut

5.

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1 min • 1 pt

Hitunglah mol gas O2 pada STP jika terdapat 44, 8 Liter gas 02

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