
Stechiometria
Authored by Krystyna Syta
Chemistry
6th Grade
Used 834+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Oblicz masę 1,5 mola :
98 g
124 g
147 g
164 g
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Oblicz, jaką liczbę moli stanowi 126 g :
2 mole
0,5 mola
3 mole
4 mole
3.
MULTIPLE CHOICE QUESTION
3 mins • 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
3 mins • 1 pt
Oblicz, w ilu molach kwasu azotowego(V) znajduje się 12 g tlenu.
0,5 mol
0,25 mol
2 mol
3 mol
5.
MULTIPLE CHOICE QUESTION
3 mins • 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
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Oblicz, jaką liczbę moli w warunkach normalnych stanowi 1 dm3 pary wodnej.
2 mol
1 mol
0,6 mol
0,045 mol
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ustal wzór empiryczny związku chemicznego o podanym składzie procentowym: 70% żelaza i 30% tlenu.
FeO
FeO2
Fe2O3
Fe2O5
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