Iskazivanje sastava otopine

Iskazivanje sastava otopine

9th - 10th Grade

8 Qs

quiz-placeholder

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Iskazivanje sastava otopine

Iskazivanje sastava otopine

Assessment

Quiz

Chemistry

9th - 10th Grade

Hard

Created by

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