Linkki perjantaina 22.5 kemian kokeeseeen. Jaa Sulje https://forms.office.com/Pages/ResponsePage.aspx?id=fbDIYa9B7kGzuTdcgtCIXzQPiKqv4JhFhPJ0W5_SNltUOFI2U1dFWTVXRE9DVjdUVlE4Q1dMR05RNi4u
