
Iskazivanje sastava otopine

Quiz
•
Chemistry
•
9th - 10th Grade
•
Hard
Antonija Milić
Used 4+ times
FREE Resource
8 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Oznaka za množinu je?
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Molalnost se definira definirana kao omjer množine otopljene tvari i ? (dvije riječi)
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Najčešća mjerna jedinica za množinsku koncentraciju je?
mol/cm3
mol/dm3
mol/l
mol/g
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Oznaka za maseni udio je?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Izračunajte množinsku koncentraciju natrijeve lužine koja sadrži 10 g natrijeva hidroksida u 250 cm3 otopine.
1 mol/m3
1 mol/l
2 mol/dm3
3 mol/l
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jedna litra vode sadrži 0,0036 g kloridnih iona. Izračunajte masenu koncentraciju kloridnih iona u vodi ako je gustoća otopine 1,00 g/ml
3,6 X 10-6 g/dm3
3,6 X 10-6 g/ml
2,4 g/l
2,6 X 10-6 g/l
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Izračunajte molalnost vodene otopine priređene otapanjem 0,112 mol kalijeva klorida u 13,7 mol vode.
0,45 mol/kg
0,45 mol/g
0,045 mol/g
0,045 mol/kg
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koncentrirana klorovodična kiselina je 37 % otopina. Množinska koncentracija otopine je 12 mol/l. Izračunajte gustoću otopine.
1,18 g/cm3
1,18 g/l
0,18 g/ml
0,18 g/l
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