Chemistry/Factors That Affect Reaction Rates Prep
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For one class of 24 students (12 pairs):
CHEMICALS:
CHEMICAL | PREPARATION PROCEDURE |
---|---|
500 mL 0.100 M Na_{2}S_{2}O_{3} | Dissolve 12.41 g of Na_{2}S_{2}O_{3}•5H_{2}O (sodium thiosulphate) and dilute to exactly 500 mL. |
250 mL 0.100 M HCl | Dilute 2.15 mL of concentrated hydrochloric acid to exactly 250 mL. |
250 mL of 1.5 M HCl | Dilute 32.3 mL of concentrated hydrochloric acid to exactly 250 mL. |
250 mL of 2.5 M HCl | Dilute 53.8 mL of concentrated hydrochloric acid to exactly 250 mL. |
250 mL of 3.5 M HCl | Dilute 75.3 mL of concentrated hydrochloric acid to exactly 250 mL. |
250 mL of 4.5 M HCl | Dilute 96.8 mL of concentrated hydrochloric acid to exactly 250 mL. |
500 mL of 3 M HCl | Dilute 129 mL of concentrated hydrochloric acid to exactly 500 mL. |
1 L of 6 M HCl | Dilute 516 mL of concentrated hydrochloric acid to exactly 1000 mL. |
500 mL of 3 M H_{2}SO_{4} | Carefully and slowly add 84 mL of concentrated sulphuric acid to a 500¬mL volumetric flask containing 250 mL of distilled water. Allow to cool or force–cool under cold water tap and dilute to exactly 500 mL |
500 mL of 6 M HNO_{3} | Dilute 195 mL of concentrated nitric acid to exactly 500 mL |
500 mL of 6 M H_{3}PO_{4} | Dilute 205 mL of concentrated phosphoric acid to exactly 500 mL |
100 mL of 1 M H_{2}SO_{4} | CAREFULLY add 5.6 mL of concentrated sulphuric acid to about 50¬mL of water and dilute to exactly 100 mL. |
250 mL of 0.1 M K_{2}C_{2}O_{4} | 4.61 g of potassium oxalate, K_{2}C_{2}O_{4}•H_{2}O, diluted to exactly 250 mL. |