- Calculations Percent Recovery For Impure Benzoic Acid Precent Recovery For Impure Biphenyl Percent Recovery For Pure 1 (18.08 KiB) Viewed 28 times
- Calculations Percent Recovery For Impure Benzoic Acid Precent Recovery For Impure Biphenyl Percent Recovery For Pure 2 (54.16 KiB) Viewed 28 times
- Calculations Percent Recovery For Impure Benzoic Acid Precent Recovery For Impure Biphenyl Percent Recovery For Pure 3 (48.62 KiB) Viewed 28 times
EXP 1 DATA- DAY 1 40m Weights: 40 BEAKER: $29.511g Benzoic Acid + Biphenyl : 2.001g AQUEOUS Plask: 49.683g * ETHER/ORGANIC flask: 38.5089 * 100ML BEAKER: 63.298 * Filter paper + watch glass: 25.411g Elbette * 100 mL BEAKER + Organic Layer: 64.619g • Melting points (Range) 70-73°C 7 √ - Impure Biphenyl > Plateu (60°C) 个 - Pure Bipheny! Benzoic Acid, - →69-71°C 118²121°C 118-121°C ام ؟ Aur
EXPERIMENT 1 - DAY 2 X DAY 2 (DATA) MASS OF CRUDE PRODUCT (Biphenyl) 64.4998 * Pre-weighed FILTER PAPER 0.119 g * Pre-weighed WATCH GLASS 27.248 IMPURE Benzoic Acid + Biphenyl 25.962 -9 Benzoic Acid + 64.499 Biphenyl PERCENT RECOVERY = MASS of IMPURE CRYSTALS RECOV. Mass of Original Mixture • MELTING POINT -9 * FILTER PAPER + WATCH ULASS + CRYSTALS 28.287 -9 of PURIFIED SAMPLE 68-71 (BIPHENYL) (RANGE) • MELTING POINT STARTING 9 MASS FOR RECRYSTALIZAT 9 of UNPURE SAMPLE (BENZOIC ACID) 121 +29-124 °C And 7/4 -9 x100