In: Chemistry
Q1) A 0.10 M aqueous solution of sodium bromide has a pH __________ at 25°C.
a) less than 7.00 b) equal to 7.00 c) greater than 7.00
Q2) A 0.10 M aqueous solution of ammonium nitrate has a pH __________ at 25°C.
a) less than 7.00 b)equal to 7.00 c)greater than 7.00
Q3 At 25ºC, the pH of a 0.10 M aqueous solution of an acid is 4.27. Find the value of Ka for this acid at 25ºC.{ give explanation of the answer}