If you are using the PDF for study, here is the progression of topics surrounding page 20:
: The workbook includes hundreds of examples that explain the logic behind each calculation, making it ideal for independent study. --- Hebden Chemistry 11 A Workbook For Students Pdf 20
The workbook serves as a survey course covering basic chemistry principles: HCOS + Flex Safety & Skills If you are using the PDF for study,
: It functions as a "stand-alone" text that combines theory with practice, requiring only a supplementary lab manual for a full course. --- Hebden Chemistry 11 A Workbook For Students Pdf 20