Chemistry learning integrates three components, microscopic, macroscopic, and symbolic. However, during the Corona Virus Disease-19 (COVID-19) pandemic, which lasted approximately two years, it caused delays in the learning process that integrated microscopic, macroscopic, and symbolic components, resulting in a decline in students' understanding. Therefore, community service brings new insights to chemistry teachers in Magelang city and introduces learning activities through small chemistry courses on acid-base titration materials with the theme of neutralization reactions.  This training was conducted by 2 lecturers and 3 students offline at SMAS Tarakanita Magelang. Based on the results of the satisfaction rating, 71.23% of the participants answered that it was very useful and 28.7% of the participants thought it was useful. 
                        
                        
                        
                        
                            
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