Stechiometria

Stechiometria

12th Grade

12 Qs

quiz-placeholder

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Stechiometria

Stechiometria

Assessment

Quiz

Chemistry

12th Grade

Medium

Created by

Joanna Gajewska

Used 75+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Łączna masa substratów jest równa łącznej masie produktów. To prawo:

Stałości składu.

Zachowania masy.

Substratowe.

Sumarycznej różnicy.

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Masę atomu wyraża się w

g/mol

unitach

g

Brak jednostki

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Masa molowa wyraża się w :

g/m

g/mol

mol

u

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ile moli stanowi 9 g wody?

0,5 mola

2 mole

0,25 mola

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Reakcja przebiega wg równania 2Al + 3S = Al2S3 . Jeśli do reakcji zużyto 13,5 g Al, to ile g siarczku glinu (Al2S3) otrzymano?

37,5 g

75g

150g

47,5g

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Oblicz, jaką objętość zajmuje w warunkach normalnych 3,5 mola siarkowodoru.

78,4 dm3

22,4 dm3

44,8 dm3

2,24 dm3

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Różne gazy zajmują w tych samych warunkach ciśnienia i temperatury:

taką samą objętość

objętość zależną od pierwiastka który je tworzą

różną objętość

brak poprawnej odpoweidzi

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