Chemia 31.05
Quiz
•
Chemistry
•
KG
•
Practice Problem
•
Medium
Wioletta Michalska
Used 41+ times
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13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Jednostka masy molowej to:
g/mol
mol
unit
mol/g
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Masa molowa tlenu wynosi [g/mol]
12
16
25
74
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Masa molowa HCl:
75
35,5
36,5
32
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Masa molowa H2SO4 to:
75
98
95
85,5
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
W warunkach normalnych 1 mol odpowiada objętości;
33,5 dm3
22,4 dm3
44,2 cm3
22,4 cm3
6.
MULTIPLE SELECT QUESTION
1 min • 5 pts
Masę molową pierwiastków odczytujemy z:
musimy znać na pamięć
Tablicy Mendelejewa
Układu okresowego
nie da się jej odczytać - należy zawsze obliczyć
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
W warunkach normalnych 2 mole CO zajmują
22,4 dm3
28 dm3
38 dm3
44,8 dm3
Answer explanation
1 mol - 22,4 dm3, więc 2 mole zajmują: 2*22,4 dm3 = 44,8 dm3
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