Page 3 - LESSON NOTES-[CH-01]-[STD-IX]-[HOMOGENEOUS AND HETEROGENEOUS MIXTURES]-[2026-27]
P. 3
APPLICATION OF DIFFERENT CONCENTRATION TERMS:
❖ Mass by mass percentage (%w/w) is used to label the composition of
packaged foods, showing how much salt, sugar or protein is present in them.
❖ Mass by volume percentage (%w/v) is used in medicines and laboratories.
❖ Volume by volume percentage (%v/v) is used when two miscible liquids are
mixed, as in perfumes, cosmetics and vinegar.
