What is pH of a solution if you mix: 10 ml of 0.2 M HCl and...

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8. What is pH of a solution if you mix: a) 10 ml of 0.2 M HCl and 35 ml of 0.15 M NaOH b) 200 ml of 20 mM NaOH and 100 ml of 40 mM HCI. c) 200 ml of 250 μM NaOH and 25 ml of400 μM H2S04. 9. How many grams NaCl is is needed to prepare 600 mL of 250 ppm Na solution?

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