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Activity Industry Sector
Health Science and Medical Technology

Activity Originally Created By: Daniel Raffa

Solving for M1V1=M2V2

Part of Lesson Plan: How to Make LB Agar

Activity Overview / Details

Show students the LB agar stock bottle and explain that this is a powder that we must get dissolved into a liquid.  To do this we must do a ratio problem.  Have a student read the directions on the bottle.  Explain to students that M1 and V1 are the Mass and Volume on the stock bottle.  V2 is the volume that we want to make (desired).  We need to solve for M2. Model a practice problem then have students practice one in the lab.  Students then check their work with their partner then confirm with me.