Jove Lab Chem
Lab 45: Concentration Dependence — Materials List
Preparation for 10 Students
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Glass test tube (25 mm x 150 mm)5
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Test tube cleaning brush5
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Small stir bar5
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pH paper5 packages
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Long HCl-tolerant forceps5
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Lab tape5 rolls
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Stir plate (+1 for instructor)5
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Lab stand5
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Medium 3-prong or test tube clamp5
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Glass thermometer5
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Thermometer clamp5
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100-mL glass beaker5
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50-mL glass beaker5
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600-mL glass beaker5
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50-mm watch glass10
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10-mL glass volumetric pipette5
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5-mL glass volumetric pipette5
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Pipette controller5
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20-mL volumetric flask5
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10-mL glass graduated cylinder5
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Stopwatch/Timer5
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250-mL plastic wash bottle of deionized water (+1 for central hood)5
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Paper labels marked with 'X'5
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Plastic paraffin film1 roll
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Scissors (+1 for central area)5
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12.1 M HCl175 mL
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Na2S2O3·5H2O40 g
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Powder funnel1
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Glass funnel2
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500-mL glass Erlenmeyer flask1
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1-L glass graduated cylinder2
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250-mL glass graduated cylinder1
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Magnetic wand1
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Large stir bar2
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750-mL bottle1
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500-mL bottle with acid resistant cap1
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1-L glass volumetric flask1
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Weighing boats2
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Spatula1
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Top-loading balance1
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Baking soda1 box
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Deionized waterDependent on lab size
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Disposable plastic pipettes (minimum 3 per group)Dependent on lab size