A level Chemistry relationship between

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Discussion Overview

The discussion revolves around the relationship between mass concentration, molar concentration, and molar mass in the context of a chemistry homework question. Participants explore how these concepts interrelate and seek clarification on their definitions and applications.

Discussion Character

  • Homework-related
  • Conceptual clarification

Main Points Raised

  • One participant expresses uncertainty about the equation relating mass concentration, molar concentration, and molar mass, mentioning A=M/Mr but not knowing what the letters represent.
  • Another participant asks how to convert mass to moles, indicating a need for foundational understanding.
  • A different participant provides a formula stating that the number of moles equals the number of grams divided by the molar mass, contributing to the discussion on conversions.
  • There is a request for definitions of mass concentration and molar concentration, suggesting that clarity on these terms is needed for further discussion.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on the definitions or relationships between the concepts discussed, and multiple viewpoints and questions remain unresolved.

Contextual Notes

The discussion lacks clear definitions of mass concentration and molar concentration, and there are unresolved questions regarding the relationships between these concepts and their mathematical representations.

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Homework Statement



Write an equation in words to show relationship between mass concentration, molar concentration and molar mass and give an explanation.

Homework Equations



Not sure :/
This one has popped up a few times, A=M/Mr, but as of this moment I am not sure of what the letters stand for.

The Attempt at a Solution



My Chemistry teacher gave this question as a homework yesterday. After looking through textbooks and my notes I cannot find a word equation involving the mass concentration, molar concentration and molar mass, let alone an explanation for their relationship...

This question was given after a practical session where we attempted to determine the concentration of NaOH from a standard solution of known concentration.

Thank you for any help you can give on this question :smile:
 
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Hwo do you convert mass to moles?

--
 
Number of moles = number of grams/molar mass
 
What is mass concentration? Molar concentration?

--
methods
 

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