Chemia 31.05

Chemia 31.05

KG

13 Qs

quiz-placeholder

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Chemia 31.05

Chemia 31.05

Assessment

Quiz

Chemistry

KG

Practice Problem

Medium

Created by

Wioletta Michalska

Used 41+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Jednostka masy molowej to:

g/mol

mol

unit

mol/g

2.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Masa molowa tlenu wynosi [g/mol]

12

16

25

74

3.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Masa molowa HCl:

75

35,5

36,5

32

4.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Masa molowa H2SO4 to:

75

98

95

85,5

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

W warunkach normalnych 1 mol odpowiada objętości;

33,5 dm3

22,4 dm3

44,2 cm3

22,4 cm3

6.

MULTIPLE SELECT QUESTION

1 min • 5 pts

Masę molową pierwiastków odczytujemy z:

musimy znać na pamięć

Tablicy Mendelejewa

Układu okresowego

nie da się jej odczytać - należy zawsze obliczyć

7.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

W warunkach normalnych 2 mole CO zajmują

22,4 dm3

28 dm3

38 dm3

44,8 dm3

Answer explanation

1 mol - 22,4 dm3, więc 2 mole zajmują: 2*22,4 dm3 = 44,8 dm3

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