This study aims to (1) produce teaching materials in the form of E-LKPD basic laws of chemistry and the mole concept based on the FSLC model using a valid Microsoft Sway Office based on aspects of content feasibility, language, presentation, characteristics of the FSLC model, and software utilization and (2 ) knowing the user's response to the E-LKPD basic laws of chemistry based on the fslc mo…