Intro to Quantitative Chemistry 3-4

designs and evaluates investigations in order to obtain primary and secondary data and information CH11/12-2
selects and processes appropriate qualitative and quantitative data and information using a range of appropriate media CH11/12-4
solves scientific problems using primary and secondary data, critical thinking skills and scientific processes CH11/12-6
describes, applies and quantitatively analyses the mole concept and stoichiometric relationships CH11-9

MDQ3 How are chemicals in solutions measured?

3.1 manipulate variables and solve problems to calculate concentration, mass or volume using:

– 𝑐=𝑛/𝑉 (molarity formula)

– dilutions (number of moles before dilution = number of moles of sample after dilution)

VIDEOS:

Molarity https://www.youtube.com/watch?v=3jSNI7PlvaQ&index=14&list=PLeFSFSJ9WqSBlS5riye9fg1b6SlJQ00h4 4:09
Concentration https://www.youtube.com/watch?v=r2ldxr6uxrs&index=13&list=PLeFSFSJ9WqSBlS5riye9fg1b6SlJQ00h4 4:36
Calculating concentration https://www.youtube.com/watch?v=oLALmVfY3Fo&index=12&list=PLeFSFSJ9WqSBlS5riye9fg1b6SlJQ00h4 4:43
Concentration (access from https://drive.google.com/open?id=1jSGOhr_8KzmJJJtYSpEvwPkFXTRyqydi )

11C IQC3 1 Making Solns WS.pdf

3.2 conduct practical investigations to determine the concentrations of solutions and investigate the different ways in which concentrations are measured

3.3 conduct an investigation to make a standard solution and perform a dilution

PRACTICAL:

VIDEOS: