
Osnove stehiometrije
Authored by Vlatka Levanić
Chemistry
1st - 3rd Grade
Used 108+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Avogardov broj je:
6,0222 x 1023
6,0222 x 1023 mol -1
6,022 x 1023 dm3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Množina tvari može se izračunati:
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Koliki je maseni udio željeza u smjesi 1 g željeza i 4 g sumpora?
80%
20%
25%
75%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Izmješala sam 10 g riže i 20 g kukuruza. Izračunaj maseni udio kukuruza u toj smjesi (račun napisati u bilježnicu):
34%
67%
99%
ne znam
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Standardni molarni volumen plina iznosi
22,4 mol/dm3
22,4
22,4 dm3/mol
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Standardni uvjeti su :
25°C, 101325 Pa
0°C , 1012325 Pa
100°C , 101325 Pa
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Masa jednog atoma Fe iznosi
9,27 x 10 -26 kg
55,847 x 1,6605 x 10 -26 kg
55 x 10 -26 kg
55,27 x 10 -26 kg
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