FORMATIF 2_KONSEP MOL
Quiz
•
Chemistry
•
11th Grade
•
Hard
Ida Marantika
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berikut ini pernyataan yang benar tentang konsep mol adalah ….
Setiap 1 mol zat mengandung 6,02 x 10-23 partikel (atom, molekul, atau ion)
Mol sama dengan perkalian massa suatu senyawa dengan massa molekul relatif
Mol dinyatakan dalam satuan gram
Mol dapat diperoleh dari massa molekul relatif dibagi massa zat/senyawa tersebut
Mol diperoleh dari perkalian massa dengan volume nya
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Air cuka yang sering digunakan sebagai penambah rasa asam pada makanan mengandung senyawa asam asetat (CH3COOH), dalam air cuka bermassa 1,2 gram terdapat …. mol. (Ar C=12,H=1,O=16)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jumlah mol air yang mengandung 2,408 x 1023 atom molekul air adalah…
0,02 mol
0,04 mol
0,05 mol
0,2 mol
0,4 mol
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika diketahui Ar Ca = 40, C = 12, O = 16 dan bilangan Avogadro = 6,02×1023, maka 50 gram CaCO3 mempunyai jumlah molekul … .
1,204 × 1023
3,01 × 1023
6,02 × 1022
3,01 × 1022
3,01 × 1021
5.
MULTIPLE CHOICE QUESTION
2 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
6,12 liter
5,24 liter
4,48 liter
2,46 liter
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika Ar C = 12 dan O = 16, maka volume dari 8,8 gram gas CO2 pada keadaan standar (STP) adalah ….
22,4 liter
8,96 liter
4,48 liter
6,72 liter
2,24 liter
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada suhu dan tekanan tertentu volum dari
11 gram CO2 (Mr CO2 =44) adalah 6 liter. Pada suhu dan
tekanan sama, massa dari 12 liter SO3 (Mr SO3 = 80) adalah ...
12 gram
22 gram
40 gram
80 gram
160 gram
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