Stechiometria
Quiz
•
Chemistry
•
KG
•
Practice Problem
•
Medium
Anna Peplau
Used 10+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Wybierz zdanie prawdziwe.
W 1 molu miedzi Cu znajduje się tyle samo atomów, co w 1 molu tlenu O2.
18g wody to 1 mol tego związku.
1 mol amoniaku NH3 zawiera tyle samo cząsteczek, co 2 mole tlenku siarki SO2.
2 mole magnezu waży 24g.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Wybierz substancję, u której podano największą masę wyrażoną w gramach.
10 moli wodoru
5 moli wody
2 mole wodorotlenku sodu
1 mol złota
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dokończ zdanie. 3,01 . 1023 cząsteczek CO2 waży ...
14g.
22g.
44g.
88g.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dokończ zdanie. Masa molowa tlenku magnezu wynosi
40 u
40 g/mol
40 g/dm3
40 mol/dm3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Zaznacz wzór substancji o największej objętości w warunkach normalnych:
10 g O2
10 g H2
10 g HNO3
10 g Au
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Zaznacz wzór substancji o największej gęstości w warunkach normalnych:
O2
H2
N2
Cl2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dokończ zdanie. Liczba Avogadra to liczba cząstek (atomów, cząsteczek, jonów) w 1 molu i wynosi:
3,01 . 10-22
3,01 . 1023
6,02 . 1023
6,02 . 10-23
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