
Stechiometria 2TG
Authored by XYZ ABC
Chemistry
2nd Grade
Used 18+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Oblicz masę 1,5 mola :
98 g
124 g
147 g
164 g
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Oblicz, jaką liczbę moli stanowi 126 g :
2 mole
0,5 mola
3 mole
4 mole
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Oblicz, ile gramów siarki znajduje się w 0,5 mola siarczku glinu.
96 g
48 g
32 g
27 g
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Oblicz, jaką objętość zajmuje w warunkach normalnych 3,5 mola siarkowodoru.
78,4 dm3
22,4 dm3
44,8 dm3
2,24 dm3
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Oblicz, jaką liczbę moli w warunkach normalnych stanowi 1 dm3 pary wodnej.
2 mol
1 mol
0,6 mol
0,045 mol
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ustal wzór empiryczny związku chemicznego o podanym składzie procentowym: 70% żelaza i 30% tlenu.
FeO
FeO2
Fe2O3
Fe2O5
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Oblicz objętość tlenu, odmierzonego w warunkach normalnych, użytego do przeprowadzenia reakcji z azotem w celu otrzymania 12,8 dm3 tlenku azotu(II).
2,3 dm3
6,4 dm3
8,2 dm3
10,7 dm3
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