Set of flashcards n=m/M

Flashcards	10
Students	11
Language	Deutsch
Category	Chemistry
Level	Secondary School
Created / Updated	23.03.2018 / 28.03.2018
Weblink	https://card2brain.ch/box/20180323_nmm
Embed	<iframe src="https://card2brain.ch/box/20180323_nmm/embed" width="780" height="150" scrolling="no" frameborder="0"></iframe>

Flashcards

Students

Language

Deutsch

Category

Chemistry

Level

Secondary School

Created / Updated

23.03.2018 / 28.03.2018

Weblink

https://card2brain.ch/box/20180323_nmm

Embed

Schreibe die Formel fertig: m=?

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m=n*M

Schreibe die Formel fertig: M=?

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M=n*m

Was ist das Symbol von Masse?

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Für was stehen die Abkürzungen in der Formel?

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M: molare Masse, m: Masse, n: Stoffmenge

Wieviel g H₂und O₂ benötigt man, um 20 g H₂O herzustellen?

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2,22 g H2 & 17,78 g O2

Berechne die Stoffmenge von 185,00 g Natriumcarbonat, Na₂CO₃

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185,00g/105,99 g/mol = 1,745 mol

Gegeben:

Stoffmenge einer Natriumportion n (Na) = 0.00043 mol

Gesucht:

Masse der Natriumportion

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0,02298977g/mol * 0,00043 mol = 0,00989g

Gegeben:

Masse einer Kupferportion m (Cu) = 100g

Gesucht:

Stoffmenge der Kupferportion n (Cu)

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100g/ 63,546 g/mol= 1,6 mol

C + O2 —> CO2

Wie viel wiegt das Produkt, wenn du 4 Atome C zur Verfügung hast‘

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176.04 Unit

n=m/M

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