You want to make a 2L of a phosphate buffer at pH of 11 20 with a buffer capacity of 1 0 M How many mL of 0 1M NaOH is required

Question

You want to make a 2L of a phosphate buffer at pH of 11 20 with a buffer capacity of 1 0 M How many mL of 0 1M NaOH is required to exceed the buffer acid phosphoric acid 1 41 mL Onone of these 1410 mL 705 mL formula H3PO4 0 705 mL Kat 7 5 x 10 3 Kaz 6 2 x 10 8 Ka3 4 8 x 10 13

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