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MOLARITY OF A CARROT

MOLARITY OF A CARROT. Before Monday you need to have this done TITLE INTRODUCTION What Chem (&Bio) principles are being tested? HYPOTHESIS What will happen to the carrots ? (4 of them one for each solution) PRELAB PG 347. LAB SETUP. Groups of 4-5 ppl Use the blue/green cups

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MOLARITY OF A CARROT

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  1. MOLARITY OF A CARROT

  2. Before Monday you need to have this done TITLE INTRODUCTION What Chem (&Bio) principles are being tested? HYPOTHESIS What will happen to the carrots? (4 of them one for each solution) PRELAB PG 347

  3. LAB SETUP • Groups of 4-5 ppl • Use the blue/green cups • The top ridge is 400mL • USE A WEIGHBOAT • NO chemicals directly on the scales!! • Don’t forget your DAY 1 data • Where to put them? • Per 1: By the “STATION 2” sign • Per 2: By the “STATION 4” sign • HW: work on lab write up (thru results table)

  4. MATERIALS PROCEDURES - HOW did you make up the 4 sol’ns? - WHAT are you doing with those sol’ns? RESULTS - Create your own data table CONCLUSION Answer the questions here

  5. Double Check Your Math 400mL of a 0.5M NaCl solution: 0.5M = x mol = 0.2mol of NaCl 0.4L (0.2mol)(58.44g/mol) = 11.69g

  6. DAY 2 • Get your “Day 2” measurements • Clean up your mess • Rinse out cups and turn upside down to dry • Throw your carrots away • Work on your lab write up

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