Oblicz masę 0,25 mola wodorotlenku potasu.
Obliczenia stechiometryczne

Quiz
•
Chemistry
•
University
•
Medium
Krystyna Syta
Used 64+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
56 g
14 g
28 g
27 g
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Oblicz liczbę atomów tlenu, jaka znajduje się w 98 g kwasu siarkowego(VI).
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Oblicz objętość jaką zajmuje w warunkach normalnych 11 g tlenku węgla(IV).
2,3 dm3
5,6 dm3
10,8 dm3
6,8 dm3
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Odmierzono 1 mol wodoru w temperaturze 273K i pod ciśnieniem 1000 hPa. Oblicz objętość, jaką zajmował wodór w podanych warunkach.
28,6 dm3
34,7 dm3
41,22 dm3
22,7 dm3
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
W wyniku spalenia 16 g siarki otrzymano 10 dm3 tlenku siarki(IV) odmierzonego w warunkach normalnych. Oblicz wydajność tej reakcji chemicznej.
92,6 %
83,3 %
77,8 %
67,4 %
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