
mol, masa molowa, stechiometria reakcji.

Quiz
•
Chemistry
•
11th Grade
•
Hard
Rozkka Rozkka
Used 15+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Masa molowa siarki wynosi:
16,0g/mol
32,0g/mol
16,0u
32,0u
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Liczba Avogadra wynosi:
60,2
60,1 •
60,1 •
60,2 •
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Wybierz poprawną definicję mola:
to odmiana tego samego pierwiastka
to elektrony na ostatniej powłoce
to jednostka liczebności materii czyli atomów, cząsteczek, jonów.
to objętość gazu w warunkach normalnych
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
W równaniu reakcji stosunek molowy produktów wynosi:
2Al + 6HCl = 2AlCl3 + 3H2
2 : 6
2 : 2
6 : 3
2 : 3
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
3 mole wody zawiera ile cząsteczek:
6,02• 1023 cząsteczek
12,04 • 1023 cząsteczek
18,06 • 1023 cząsteczek
12,08 • 1023
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Oblicz masę molową H2SO4
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Przeprowadzono reakcję: 2C + O2 = 2CO
Do doświadczenia użyto 3 moli węgla. Oblicz ile moli produktu otrzymano.
8.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Podczas spalania użyto 5g wodoru. Oblicz, ile gramów tlenu potrzeba do całkowitego spalenia wodoru zgodnie z reakcją:
2H2 + O2 = 2H2O
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