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Measurment and application Prelaboratory Assignment: pH: Measurement and Application. 1. Calculate [H]and [OH] for solutions with the following pH values: a) 4.0 b) 8.52 c)
Measurment and application
Prelaboratory Assignment: pH: Measurement and Application. 1. Calculate [H]and [OH] for solutions with the following pH values: a) 4.0 b) 8.52 c) 12.60 2. 30mL of a 0.4375MHCl solution are added to 35mL of 0.250NaOH solution. What is the final pH? 3. A solution with a pH of 2.91 is prepared by dissolving 1g. of benzoic acid, HC7H5O2, a weak acid, in 350mL of water. What is Ka of benzoic acid? 4. A 300mL buffer is prepared in which [HCO3]=0.2M and [CO32]0.075M a) What is the pH of this buffer (KaHCO3=4.71011) ? b) What is the pH of the buffer if 0.0100 moles of HCl are added? c) What is the pH of the buffer if 0.0200 moles of NaOH are added Step by Step Solution
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