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Kemisk mængdeberegning

Authored by Laura Jensen

Chemistry

10th Grade

Used 7+ times

Kemisk mængdeberegning
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hvad er symbolet for stofmængde?

n

M

c

mol

g/mol

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hvad er Avogradros konstant?

10

6,022 * 1023

6022

10-23

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hvilken størrelse har enheden g/mol?

koncentration

Molare masse

masse

Stofmængde

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hvilken enhed angives massen i?

mol

g

g/mol

L

cm

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Hvilke størrelser indgår i guldreglen?

masse

koncentration

stofmængde

molare masse

volumen

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hvad er sammenhængen mellem masse, molare masse og stofmængde?


n = Mm n\ =\ M\cdot m\

n = Mmn\ =\ \frac{M}{m}

n = mMn\ =\ \frac{m}{M}

c = mMc\ =\ \frac{m}{M}

c = n Mc\ =\ n\ \cdot M

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Hvordan finder man den molare masse for en kemisk forbindelse? Svar helt kort!

(a)  

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