stężenia procentowe roztworów
Quiz
•
Chemistry
•
2nd Grade
•
Medium
Jerzy Rudno
Used 125+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
1% to inaczej
0,01 całości
0,1 całości
0,001 całości
całość
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
50% to
połowa całości
1/5
0,05 całości
nie ma takiej wartości
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
80% to inaczej
8
0,8
8,8
1/8 (jedna ósma)
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Oblicz w pamięci: roztwór zawierający 20 g soli w 100 g roztworu ma stężenie
40 g
2%
80%
20%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Stężenie procentowe roztworu to stosunek
masy substancji do masy rozpuszczalnika wyrażony w %
masy roztworu do masy substancji wyrażony w %
masy substancji do masy roztworu wyrażony w %
masy substancji do masy roztworu
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
W naczyniu rozpuszczono 40 g cukru w 200 g wody. Masa roztworu wynosi:
160 g
220 g
240 g
100g
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
W naczyniu rozpuszczono 40 g cukru w 360 g wody. Masa roztworu wynosi:
360 g
400 g
40 g
Z tych danych nie da się policzyć masy roztworu
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