Calculating Percentage Solutions
Nick Maths, Taking the sting out of science maths


Lesson 1  Introduction to Percentage Solutions
4:38 
Lesson 2  Introduction to weight by volume (w/v)
3:40 
Lesson 3  Worked examples (w/v)  what is the percentage?
4:19 
Lesson 4  Worked examples (w/v)  how many grams?
5:32 
Lesson 5  How to make a w/v solution
5:26 
Lesson 6  Percentage volume by volume (v/v) solutions  introduction
3:06 
Lesson 7  Worked examples (v/v)  what is the percentage?
4:08 
Lesson 8  Worked examples (v/v)  how many ml?
5:21 
Lesson 9  How make a v/v solution?
5:22 
Lesson 10  Percentage weight by weight (w/w) solutions  Introduction
3:40 
Lesson 11  Worked examples (w/w)  what is the percentage?
4:48 
Lesson 12  Worked examples (w/w)  how many grams?
5:41 
Lesson 13  How to make a w/w solution?
4:30

About This Class
For some reason, percentage solutions cause students problems. I have no idea why this should be the case, and once you have completed this course percentage solutions should no longer cause you any problems.
This course is for high school, and college (preuniversity), and university (undergraduate and postgraduate) students who wish to improve their understanding of percentage solutions and percentage solution calculations.
On this course, you will learn about the different types of percentage solutions you may find, or be asked to make, in a lab. The course will cover percentage weight by volume (w/v), percentage volume by volume (v/v) and percentage weight by weight (w/w) solutions, and the how to calculate the amount of a substance you need.
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I am a senior university lecturer based in the UK.
I have over 30 years of lab experience, and for the past 18 years, I have taught on a number of university degree programmes including biomedical sciences, biochemistry, genetics, pharmacology, physiology and microbiology. I have run first, and a secondyear university biochemistry, genetics, cell biology, microbiology and pharmacology practicals in which students had to perform the type chemistry calculations found in the courses I am...