
Obliczenia stechiometryczne
Authored by Jarosław Drwięga
Chemistry
9th Grade
Used 149+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liczba Avogadra ma wartość :
6,02 x 10-23
1,66 x 10 -24
6,02 x 10 23
22,4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Masa molowa kwasu siarkowego (VI) wynosi :
98 u
82 g
98 g/mol
82 g/mol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Objętość 5 moli CO2 w warunkach normalnych wynosi :
112 cm3
112 dm3
22,4 dm3
brak poprawnej odpowiedzi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Objętość 3 moli tlenu w temperaturze 298K pod ciśnieniem 1000hPa wynosi :
74,3 dm3
67,2 dm3
58 dm3
brak poprawnej odpowiedzi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oblicz masę 0,25 mola wodorotlenku potasu
56 g
14 g
28 g
27 g
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oblicz objętość jaką zajmuje w warunkach normalnych 11 g tlenku węgla(IV).
2,3 dm3
5,6 dm3
10,8 dm3
6,8 dm3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oblicz, jaką liczbę moli stanowi 126 g :
2 mole
0,5 mola
3 mole
4 mole
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