Lab Report 17 - Introduction to Acids and Bases REBECCA FORLOINE LAB PARTNER TERRENCE CONNORS Having read the Georgia Institute of Technology Academic

Lab Report 17 - Introduction to Acids and Bases REBECCA...

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Introduction to Acids and Bases REBECCA FORLOINE LAB PARTNER: TERRENCE CONNORS FEBRUARY 10, 2015 Having read the Georgia Institute of Technology Academic Honor code, I understand and accept my responsibility as a member of the Georgia Tech Community to uphold the Academic Honor Code at all times. In addition, I understand my options for reporting honor violations as detailed in the code.
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Data and Results A. Data Tables and Plots a. Common Acids and Bases i. Table 1. pH values for common Acids and Bases Product pH pOH [H 3 O + ] [HO ] toilet bowl cleaner 1 13 0.1 1E-13 lemon juice 2 12 0.01 1E-12 Sprite 3 11 0.001 1E-11 shampoo 5 9 0.00001 1E-09 mouthwash 6 8 0.000001 1E-08 baking soda, 1% 9 5 1E-09 0.00001 bleach 11 3 1E-11 0.001 windex 8 6 1E-08 0.000001 clear ammonia 9 5 1E-09 0.00001 ii. Table 2. Dilution and pH values Compoun d 0.1 M 0.01 M 0.001 M pH [H 3 O + ] pH [H 3 O + ] pH [H 3 O + ] HCl 1.38 0.042 2.27 0.0054 6.70 2.0E-07 CH 3 CO 2 H 2.94 0.0011 3.43 0.00037 6.40 4.0E-07 NaOH 12.71 2.0E-13 11.38 3.2E-12 8.05 8.9E-09 NH 4 OH 11.48 3.3E-12 10.89 1.3E-11 8.50 3.2E-09 iii. Table 3. Percent Dissociation with Dilution Compoun d Percent Dissociation 0.1 M 0.01 M 0.001 M CH 3 CO 2 H 1.1 3.7 0.04 NH 4 OH 0.00 0.00 0.00 iv. Table 4. pH Values and Chemical Equations for Six Salts Name Formula pH Acidic or Basic? ammonium chloride NH 4 Cl 4.32 Acidic citric acid monohydrate H 3 C 6 H 5 O 7 *H 2 O 2.17 Acidic sodium acetate trihydrate NaCH 3 COO*3H 2 O 7.21 Basic
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disodium hydrogen phosphate dihydrate Na 2 HPO 4 *2H 2 O 8.89 Basic sodium dihydrogen phosphate dihydrate NaH 2 PO 4 *2H 2 O 4.55 Acidic sodium carbonate Na 2 CO 3 11.54 Basic Name Chemical Equations ammonium chloride 1. NH 4 Cl(aq) ↔NH 4 + (aq)+ Cl - (aq) 2. NH 4 + (aq)+ H 2 O (l)↔H 3 O + (aq)
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