Question

What is the pH of an aqueous solution made by combining 41.20 mL of a 0.4608 M ammonium chloride with 45.82 mL of a 0.3866 M solution of ammonia to which 3.070 mL of a 0.0838 M solution of NaOH was added?

What is the pH of an aqueous solution made by combining 41.56 mL of a 0.4057 M sodium formate with 45.00 mL of a 0.3759 M solution of formic acid?

What is the pH of an aqueous solution made by combining 10.09 mL of a 0.1636 M hydrochloric acid with 49.51 mL of a 0.3605 M solution of ammonia?

Answer 1

0.01009 L Since u Cweak baze o o 18 12 o '어499 19-4OD = 9.243

Sodium Formata Formic acid Je sine it tontain both eak s it Conjwat base Ao iti butter o L weak aul (ia m2x 86.S6mL -3 S9 M xus.oonし 01SM Molam

o19u8

3 41:20mレ 0 38 66 M and m mo Ammonia a ole be addition NaoH uH4ua pseuent in Rolution and amount ammovuum olmide decreue nd ammonia inureate- JC addi tion o9009 L