## Question

###### Iwant to makc 1.0 litcr of a buffer that will kccp the pH of a solution at 7.40. If I start by dissolving 30 g of sodium dihydrogen phosphate in watcr; how many milliliters of cither 0.50 M HCL, or 0.SOM NaOH will have to add to this solution to makc my buffer? (6 pts) For phosphoric acid: Kap 7.11 *10" Kaz - 6.32 * 10 ; Kaz - 4.5 * 10-13

Iwant to makc 1.0 litcr of a buffer that will kccp the pH of a solution at 7.40. If I start by dissolving 30 g of sodium dihydrogen phosphate in watcr; how many milliliters of cither 0.50 M HCL, or 0.SOM NaOH will have to add to this solution to makc my buffer? (6 pts) For phosphoric acid: Kap 7.11 *10" Kaz - 6.32 * 10 ; Kaz - 4.5 * 10-13

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