Chemistry, 05.05.2021 22:00, kalbaugh

During a lab investigation on chemical reactions, a group of students combined several substances into a beaker. They measured the mass of each substance before and after the investigation. The mass of the reactants was 58 grams and the mass of the products was 55 grams. Assuming the students did not make any errors, what could have caused this change in mass?

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During a lab investigation on chemical reactions, a group of students combined several substances in...