iPad How to Determine the Reaction Stoichiometry? EXPERIMENTAL WORK Reagent and apparatus Reagent GH,O.(aq) NaOH(aq)...
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iPad Ⓒ How to Determine the Reaction Stoichiometry? EXPERIMENTAL WORK Reagent and apparatus <Chemical reagent> Reagent GH,O.(aq) NaOH(aq) <Apparatus> ● Apparatus 20 mL-glass sample bottle Sample bottle stand 2 mL-pipette Concentration (M) 0.5 0.5 10 mL-measuring cylinder Pen type digital thermometer 2:24 PM classroom.google.com No. of pcs. 18 2 2 2 1 9 Hazards and cautions C.H.O.(aq) and NaOH(aq) are hazardous in case of skin contact, eye contact, or ingestion. Wear safety glasses and gloves when handling the solutions. If you spill the solutions, do not attempt to treat but do inform to the instructor. In case of any contact with the solutions, immediately wash with water and inform the instructor. 2 8 Experimental procedure (1) Place nine pairs of glass sample bottles in the polystyrene foam stands. (2) Transfer C,H,O.(aq) and NaOH(aq) in the required volumes listed in Table 1 into the nine pairs of the sample bottles. Table 1. Volumes of C,H,O, (aq) and NaOH (aq) for the respective pairs pair 3 7 C,H,O, (aq) (mL) NaOH (aq) (mL) 3 Remark mildly acidic solution (red label) strongly basic solution (blue label) Remark 4 made of polystyrene foam 1) Measure the required volume of C.H.O.(aq) using amount into one of the bottles of the pair (red label minimum reading: 0.1°C 2) NaOH(aq) in the required volume is also transferre label) by the same procedure. (3) Mix C,H,O,(aq) and NaOH(aq) in each pair, and measure the temperature change using the digital. thermometer. 9 1) Measure the temperature of the solution with the larger volume in the pair. (7.) 2) Add the solution with the smaller volume to the other solution of the pair. 5 5 5 QO 6 4 6 7 3 7 8 2 8 O 3 9 9 17% + L iPad Ⓒ How to Determine the Reaction Stoichiometry? EXPERIMENTAL WORK Reagent and apparatus <Chemical reagent> Reagent GH,O.(aq) NaOH(aq) <Apparatus> ● Apparatus 20 mL-glass sample bottle Sample bottle stand 2 mL-pipette Concentration (M) 0.5 0.5 10 mL-measuring cylinder Pen type digital thermometer 2:24 PM classroom.google.com No. of pcs. 18 2 2 2 1 9 Hazards and cautions C.H.O.(aq) and NaOH(aq) are hazardous in case of skin contact, eye contact, or ingestion. Wear safety glasses and gloves when handling the solutions. If you spill the solutions, do not attempt to treat but do inform to the instructor. In case of any contact with the solutions, immediately wash with water and inform the instructor. 2 8 Experimental procedure (1) Place nine pairs of glass sample bottles in the polystyrene foam stands. (2) Transfer C,H,O.(aq) and NaOH(aq) in the required volumes listed in Table 1 into the nine pairs of the sample bottles. Table 1. Volumes of C,H,O, (aq) and NaOH (aq) for the respective pairs pair 3 7 C,H,O, (aq) (mL) NaOH (aq) (mL) 3 Remark mildly acidic solution (red label) strongly basic solution (blue label) Remark 4 made of polystyrene foam 1) Measure the required volume of C.H.O.(aq) using amount into one of the bottles of the pair (red label minimum reading: 0.1°C 2) NaOH(aq) in the required volume is also transferre label) by the same procedure. (3) Mix C,H,O,(aq) and NaOH(aq) in each pair, and measure the temperature change using the digital. thermometer. 9 1) Measure the temperature of the solution with the larger volume in the pair. (7.) 2) Add the solution with the smaller volume to the other solution of the pair. 5 5 5 QO 6 4 6 7 3 7 8 2 8 O 3 9 9 17% + L
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Related Book For
Intermediate Accounting
ISBN: 978-0324300987
10th Edition
Authors: Loren A Nikolai, D. Bazley and Jefferson P. Jones
Posted Date:
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