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Posted: **Wed May 18, 2022 9:54 am**

: What Mass Of Sodium Cyanide Nacn Must Be Added To 250 Ml Of 0 45 M Hydrocyanic Acid Hcn To Produce A Buffer Solution 1 (21.42 KiB) Viewed 61 times

What mass of sodium cyanide (NaCN) must be added to 250 mL of 0.45 M Hydrocyanic acid (HCN) to produce a buffer solution that has a pH of 8.75? (M.WNacn: 49 g/mol, Kahcn: 6.2 x 10-10). Select one: a. 322.96 g b. 31.66 g c. 1.93 g d. 3.84 g e. 15.83 g