Obliczenia stechiometryczne

Obliczenia stechiometryczne

9th Grade

15 Qs

quiz-placeholder

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Obliczenia stechiometryczne

Obliczenia stechiometryczne

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Hard

Created by

Jarosław Drwięga

Used 144+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Liczba Avogadra ma wartość :

6,02 x 10-23

1,66 x 10 -24

6,02 x 10 23

22,4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Masa molowa kwasu siarkowego (VI) wynosi :

98 u

82 g

98 g/mol

82 g/mol

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Objętość 5 moli CO2 w warunkach normalnych wynosi :

112 cm3

112 dm3

22,4 dm3

brak poprawnej odpowiedzi

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Objętość 3 moli tlenu w temperaturze 298K pod ciśnieniem 1000hPa wynosi :

74,3 dm3

67,2 dm3

58 dm3

brak poprawnej odpowiedzi

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oblicz masę 0,25 mola wodorotlenku potasu

56 g

14 g

28 g

27 g

6.

MULTIPLE CHOICE QUESTION

30 sec • 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

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oblicz, jaką liczbę moli stanowi 126 g  HNO3HNO_3 :

2 mole

0,5 mola

3 mole

4 mole

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