# AS Practise Chemistry coursework question

• Bennybo100
In summary, the equation for molar mass is equal to the mass concentration divided by the molar concentration. This can also be written as molar concentration equals mass concentration divided by molar mass. This relationship is similar to the equation for the number of moles, which is equal to mass divided by the molar mass. By comparing the units and structure of the equations, it is clear that they are related.
Bennybo100

## Homework Statement

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

## Homework Equations

I understand that the equation is:

molar mass = Mass concentration/Molar concentration

## The Attempt at a Solution

Where it says 'give a short explanation', what exactly does it want me to say? Does it have something to do with the equation no. moles = Mass/Mr?

I would put the equation in the form

$$\text{molar concentration} = \frac{\text{mass concentration}}{\text{molar mass}}$$

in which case it is much more obvious why it is related to the other equation you listed.

Thank you very much!

I'm not too good at all this terminology, so could you help me a bit more?

Does rearranging the equation to what you've stated mean that it is the same as the equation no. moles = Mass/Mr? Is this the 'short explanation' the question requires?

Thanks for the help,
Ben.

It is not the same but the analogy is obvious. You may try to write both equations with units and see how they differ.

Yes, the equation no. moles = Mass/Mr is relevant to this question. The relationship between mass concentration, molar concentration, and molar mass can be expressed through this equation. Molar concentration is the measure of the number of moles of a substance per unit volume, while mass concentration is the measure of the amount of a substance per unit volume. Molar mass is the mass of one mole of a substance. Therefore, the equation molar mass = Mass concentration/Molar concentration can be interpreted as the mass of a substance per unit volume (mass concentration) is equal to the mass of one mole of that substance (molar mass) divided by the number of moles of that substance per unit volume (molar concentration). This relationship helps to understand the concentration and mass of a substance in a given solution.

## What is AS Practise Chemistry coursework?

AS Practise Chemistry coursework is a type of coursework that is typically completed by students in the first year of their A-Level Chemistry course. It involves performing experiments, collecting data, and analyzing results to gain a deeper understanding of key concepts in chemistry.

## What are the main objectives of AS Practise Chemistry coursework?

The main objectives of AS Practise Chemistry coursework are to develop practical laboratory skills, enhance understanding of theoretical concepts, and improve data analysis and interpretation skills. This coursework also aims to foster critical thinking and problem-solving abilities.

## What are some common topics covered in AS Practise Chemistry coursework?

Some common topics covered in AS Practise Chemistry coursework include atomic structure, chemical bonding, stoichiometry, acids and bases, and redox reactions. Other topics may include organic chemistry, thermodynamics, and kinetics.

## How is AS Practise Chemistry coursework assessed?

AS Practise Chemistry coursework is typically assessed through a combination of practical assessments and written exams. The practical assessments may involve performing experiments and submitting a report, while the written exams may include multiple-choice questions, short answer questions, and longer essay-style questions.

## What are some tips for success in AS Practise Chemistry coursework?

Some tips for success in AS Practise Chemistry coursework include staying organized, practicing regularly, asking for help when needed, and actively participating in laboratory sessions. It is also important to thoroughly understand the concepts and theories being studied, and to carefully follow experimental procedures and safety protocols.

Replies
11
Views
4K
Replies
14
Views
9K
Replies
2
Views
3K
Replies
10
Views
3K
Replies
7
Views
4K
Replies
3
Views
3K
Replies
3
Views
2K
Replies
4
Views
2K
Replies
13
Views
3K
Replies
1
Views
3K