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This research has the objective to determine the feasibility of virtual laboratory-based blended learning developed in the materials of inorganic chemistry of main group elements in terms of the validity of the quality of the content and purpose, construct, instructional, and technical. The type of research used is a research development with research procedures based on the Borg and Gall Model. The target of this research is students of the Department of Chemistry, Surabaya State University. The results of this study can be concluded that the virtual laboratory feasibility is based on blended learning developed in the inorganic chemical material, the main group elements in terms of validity by using the instrument of validation sheet on the media in the form of laboratory virtual media on inorganic chemical material, the main group elements where the overall aspects of quality and purpose, construct, instructional, and technical aspects get the percentage overall of 85% and elearning website as a support for blended learning learning activities obtained an overall percentage of 81% with very valid / feasible criteria as a blended learning based learning media using POGIL strategies. Keywords—Virtual laboratories, Blended Learning, POGIL strategies, inorganic chemistry main group elements

Development of Virtual Laboratory Inorganic Chemistry of Main Elements Based on Blended Learning Using Pogil Strategy