What Mass of Sodium Formate (HCOONa) Must Be Added to 350

question 121

Multiple Choice

What mass of sodium formate (HCOONa) must be added to 350. mL of water in order to obtain a solution having a pH of 8.50? [K_a(HCOOH) = 1.77 * 10^-4]

• A) 0.23 g
• B) 4.3 g
• C) 35 g
• D) 12 g
• E) 130 g

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